1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2015-2016 Marvell International Ltd.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <fdtdec.h>
9*4882a593Smuzhiyun #include <asm/io.h>
10*4882a593Smuzhiyun #include <asm/arch/cpu.h>
11*4882a593Smuzhiyun #include <asm/arch/soc.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include "comphy.h"
14*4882a593Smuzhiyun #include "comphy_hpipe.h"
15*4882a593Smuzhiyun #include "sata.h"
16*4882a593Smuzhiyun #include "utmi_phy.h"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #define SD_ADDR(base, lane) (base + 0x1000 * lane)
21*4882a593Smuzhiyun #define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800)
22*4882a593Smuzhiyun #define COMPHY_ADDR(base, lane) (base + 0x28 * lane)
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun struct utmi_phy_data {
25*4882a593Smuzhiyun void __iomem *utmi_base_addr;
26*4882a593Smuzhiyun void __iomem *usb_cfg_addr;
27*4882a593Smuzhiyun void __iomem *utmi_cfg_addr;
28*4882a593Smuzhiyun u32 utmi_phy_port;
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun /*
32*4882a593Smuzhiyun * For CP-110 we have 2 Selector registers "PHY Selectors",
33*4882a593Smuzhiyun * and "PIPE Selectors".
34*4882a593Smuzhiyun * PIPE selector include USB and PCIe options.
35*4882a593Smuzhiyun * PHY selector include the Ethernet and SATA options, every Ethernet
36*4882a593Smuzhiyun * option has different options, for example: serdes lane2 had option
37*4882a593Smuzhiyun * Eth_port_0 that include (SGMII0, RXAUI0, SFI)
38*4882a593Smuzhiyun */
39*4882a593Smuzhiyun struct comphy_mux_data cp110_comphy_phy_mux_data[] = {
40*4882a593Smuzhiyun {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */
41*4882a593Smuzhiyun {PHY_TYPE_SATA1, 0x4} } },
42*4882a593Smuzhiyun {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */
43*4882a593Smuzhiyun {PHY_TYPE_SATA0, 0x4} } },
44*4882a593Smuzhiyun {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */
45*4882a593Smuzhiyun {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1},
46*4882a593Smuzhiyun {PHY_TYPE_SATA0, 0x4} } },
47*4882a593Smuzhiyun {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */
48*4882a593Smuzhiyun {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
49*4882a593Smuzhiyun {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */
50*4882a593Smuzhiyun {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2},
51*4882a593Smuzhiyun {PHY_TYPE_SGMII1, 0x1} } },
52*4882a593Smuzhiyun {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */
53*4882a593Smuzhiyun {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } },
54*4882a593Smuzhiyun };
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun struct comphy_mux_data cp110_comphy_pipe_mux_data[] = {
57*4882a593Smuzhiyun {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */
58*4882a593Smuzhiyun {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */
59*4882a593Smuzhiyun {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2},
60*4882a593Smuzhiyun {PHY_TYPE_PEX0, 0x4} } },
61*4882a593Smuzhiyun {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */
62*4882a593Smuzhiyun {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
63*4882a593Smuzhiyun {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */
64*4882a593Smuzhiyun {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } },
65*4882a593Smuzhiyun {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */
66*4882a593Smuzhiyun {PHY_TYPE_USB3_HOST1, 0x1},
67*4882a593Smuzhiyun {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } },
68*4882a593Smuzhiyun {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */
69*4882a593Smuzhiyun };
70*4882a593Smuzhiyun
polling_with_timeout(void __iomem * addr,u32 val,u32 mask,unsigned long usec_timout)71*4882a593Smuzhiyun static u32 polling_with_timeout(void __iomem *addr, u32 val,
72*4882a593Smuzhiyun u32 mask, unsigned long usec_timout)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun u32 data;
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun do {
77*4882a593Smuzhiyun udelay(1);
78*4882a593Smuzhiyun data = readl(addr) & mask;
79*4882a593Smuzhiyun } while (data != val && --usec_timout > 0);
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun if (usec_timout == 0)
82*4882a593Smuzhiyun return data;
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun return 0;
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun
comphy_pcie_power_up(u32 lane,u32 pcie_width,bool clk_src,bool is_end_point,void __iomem * hpipe_base,void __iomem * comphy_base)87*4882a593Smuzhiyun static int comphy_pcie_power_up(u32 lane, u32 pcie_width, bool clk_src,
88*4882a593Smuzhiyun bool is_end_point, void __iomem *hpipe_base,
89*4882a593Smuzhiyun void __iomem *comphy_base)
90*4882a593Smuzhiyun {
91*4882a593Smuzhiyun u32 mask, data, ret = 1;
92*4882a593Smuzhiyun void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
93*4882a593Smuzhiyun void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
94*4882a593Smuzhiyun void __iomem *addr;
95*4882a593Smuzhiyun u32 pcie_clk = 0; /* set input by default */
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun debug_enter();
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun /*
100*4882a593Smuzhiyun * ToDo:
101*4882a593Smuzhiyun * Add SAR (Sample-At-Reset) configuration for the PCIe clock
102*4882a593Smuzhiyun * direction. SAR code is currently not ported from Marvell
103*4882a593Smuzhiyun * U-Boot to mainline version.
104*4882a593Smuzhiyun *
105*4882a593Smuzhiyun * SerDes Lane 4/5 got the PCIe ref-clock #1,
106*4882a593Smuzhiyun * and SerDes Lane 0 got PCIe ref-clock #0
107*4882a593Smuzhiyun */
108*4882a593Smuzhiyun debug("PCIe clock = %x\n", pcie_clk);
109*4882a593Smuzhiyun debug("PCIe RC = %d\n", !is_end_point);
110*4882a593Smuzhiyun debug("PCIe width = %d\n", pcie_width);
111*4882a593Smuzhiyun
112*4882a593Smuzhiyun /* enable PCIe by4 and by2 */
113*4882a593Smuzhiyun if (lane == 0) {
114*4882a593Smuzhiyun if (pcie_width == 4) {
115*4882a593Smuzhiyun reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
116*4882a593Smuzhiyun 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET,
117*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK);
118*4882a593Smuzhiyun } else if (pcie_width == 2) {
119*4882a593Smuzhiyun reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
120*4882a593Smuzhiyun 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET,
121*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK);
122*4882a593Smuzhiyun }
123*4882a593Smuzhiyun }
124*4882a593Smuzhiyun
125*4882a593Smuzhiyun /*
126*4882a593Smuzhiyun * If PCIe clock is output and clock source from SerDes lane 5,
127*4882a593Smuzhiyun * we need to configure the clock-source MUX.
128*4882a593Smuzhiyun * By default, the clock source is from lane 4
129*4882a593Smuzhiyun */
130*4882a593Smuzhiyun if (pcie_clk && clk_src && (lane == 5)) {
131*4882a593Smuzhiyun reg_set((void __iomem *)DFX_DEV_GEN_CTRL12,
132*4882a593Smuzhiyun 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET,
133*4882a593Smuzhiyun DFX_DEV_GEN_PCIE_CLK_SRC_MASK);
134*4882a593Smuzhiyun }
135*4882a593Smuzhiyun
136*4882a593Smuzhiyun debug("stage: RFU configurations - hard reset comphy\n");
137*4882a593Smuzhiyun /* RFU configurations - hard reset comphy */
138*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_UP_MASK;
139*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
140*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
141*4882a593Smuzhiyun data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
142*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
143*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
144*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
145*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
146*4882a593Smuzhiyun mask |= COMMON_PHY_PHY_MODE_MASK;
147*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET;
148*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
149*4882a593Smuzhiyun
150*4882a593Smuzhiyun /* release from hard reset */
151*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
152*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
153*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
154*4882a593Smuzhiyun data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
155*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
156*4882a593Smuzhiyun
157*4882a593Smuzhiyun /* Wait 1ms - until band gap and ref clock ready */
158*4882a593Smuzhiyun mdelay(1);
159*4882a593Smuzhiyun /* Start comphy Configuration */
160*4882a593Smuzhiyun debug("stage: Comphy configuration\n");
161*4882a593Smuzhiyun /* Set PIPE soft reset */
162*4882a593Smuzhiyun mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
163*4882a593Smuzhiyun data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
164*4882a593Smuzhiyun /* Set PHY datapath width mode for V0 */
165*4882a593Smuzhiyun mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
166*4882a593Smuzhiyun data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
167*4882a593Smuzhiyun /* Set Data bus width USB mode for V0 */
168*4882a593Smuzhiyun mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
169*4882a593Smuzhiyun data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
170*4882a593Smuzhiyun /* Set CORE_CLK output frequency for 250Mhz */
171*4882a593Smuzhiyun mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
172*4882a593Smuzhiyun data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
173*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
174*4882a593Smuzhiyun /* Set PLL ready delay for 0x2 */
175*4882a593Smuzhiyun data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET;
176*4882a593Smuzhiyun mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK;
177*4882a593Smuzhiyun if (pcie_width != 1) {
178*4882a593Smuzhiyun data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET;
179*4882a593Smuzhiyun mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK;
180*4882a593Smuzhiyun data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET;
181*4882a593Smuzhiyun mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK;
182*4882a593Smuzhiyun }
183*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask);
184*4882a593Smuzhiyun
185*4882a593Smuzhiyun /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */
186*4882a593Smuzhiyun data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET;
187*4882a593Smuzhiyun mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK;
188*4882a593Smuzhiyun if (pcie_width != 1) {
189*4882a593Smuzhiyun mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK;
190*4882a593Smuzhiyun mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK;
191*4882a593Smuzhiyun mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK;
192*4882a593Smuzhiyun if (lane == 0) {
193*4882a593Smuzhiyun data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET;
194*4882a593Smuzhiyun data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET;
195*4882a593Smuzhiyun } else if (lane == (pcie_width - 1)) {
196*4882a593Smuzhiyun data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET;
197*4882a593Smuzhiyun }
198*4882a593Smuzhiyun }
199*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask);
200*4882a593Smuzhiyun /* Config update polarity equalization */
201*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG,
202*4882a593Smuzhiyun 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET,
203*4882a593Smuzhiyun HPIPE_CFG_UPDATE_POLARITY_MASK);
204*4882a593Smuzhiyun /* Set PIPE version 4 to mode enable */
205*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG,
206*4882a593Smuzhiyun 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET,
207*4882a593Smuzhiyun HPIPE_DFE_CTRL_28_PIPE4_MASK);
208*4882a593Smuzhiyun /* TODO: check if pcie clock is output/input - for bringup use input*/
209*4882a593Smuzhiyun /* Enable PIN clock 100M_125M */
210*4882a593Smuzhiyun mask = 0;
211*4882a593Smuzhiyun data = 0;
212*4882a593Smuzhiyun /* Only if clock is output, configure the clock-source mux */
213*4882a593Smuzhiyun if (pcie_clk) {
214*4882a593Smuzhiyun mask |= HPIPE_MISC_CLK100M_125M_MASK;
215*4882a593Smuzhiyun data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET;
216*4882a593Smuzhiyun }
217*4882a593Smuzhiyun /*
218*4882a593Smuzhiyun * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz
219*4882a593Smuzhiyun * clock
220*4882a593Smuzhiyun */
221*4882a593Smuzhiyun mask |= HPIPE_MISC_TXDCLK_2X_MASK;
222*4882a593Smuzhiyun data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET;
223*4882a593Smuzhiyun /* Enable 500MHz Clock */
224*4882a593Smuzhiyun mask |= HPIPE_MISC_CLK500_EN_MASK;
225*4882a593Smuzhiyun data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET;
226*4882a593Smuzhiyun if (pcie_clk) { /* output */
227*4882a593Smuzhiyun /* Set reference clock comes from group 1 */
228*4882a593Smuzhiyun mask |= HPIPE_MISC_REFCLK_SEL_MASK;
229*4882a593Smuzhiyun data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
230*4882a593Smuzhiyun } else {
231*4882a593Smuzhiyun /* Set reference clock comes from group 2 */
232*4882a593Smuzhiyun mask |= HPIPE_MISC_REFCLK_SEL_MASK;
233*4882a593Smuzhiyun data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET;
234*4882a593Smuzhiyun }
235*4882a593Smuzhiyun mask |= HPIPE_MISC_ICP_FORCE_MASK;
236*4882a593Smuzhiyun data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET;
237*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
238*4882a593Smuzhiyun if (pcie_clk) { /* output */
239*4882a593Smuzhiyun /* Set reference frequcency select - 0x2 for 25MHz*/
240*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
241*4882a593Smuzhiyun data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
242*4882a593Smuzhiyun } else {
243*4882a593Smuzhiyun /* Set reference frequcency select - 0x0 for 100MHz*/
244*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
245*4882a593Smuzhiyun data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
246*4882a593Smuzhiyun }
247*4882a593Smuzhiyun /* Set PHY mode to PCIe */
248*4882a593Smuzhiyun mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
249*4882a593Smuzhiyun data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
250*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
251*4882a593Smuzhiyun
252*4882a593Smuzhiyun /* ref clock alignment */
253*4882a593Smuzhiyun if (pcie_width != 1) {
254*4882a593Smuzhiyun mask = HPIPE_LANE_ALIGN_OFF_MASK;
255*4882a593Smuzhiyun data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET;
256*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask);
257*4882a593Smuzhiyun }
258*4882a593Smuzhiyun
259*4882a593Smuzhiyun /*
260*4882a593Smuzhiyun * Set the amount of time spent in the LoZ state - set for 0x7 only if
261*4882a593Smuzhiyun * the PCIe clock is output
262*4882a593Smuzhiyun */
263*4882a593Smuzhiyun if (pcie_clk) {
264*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
265*4882a593Smuzhiyun 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
266*4882a593Smuzhiyun HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
267*4882a593Smuzhiyun }
268*4882a593Smuzhiyun
269*4882a593Smuzhiyun /* Set Maximal PHY Generation Setting(8Gbps) */
270*4882a593Smuzhiyun mask = HPIPE_INTERFACE_GEN_MAX_MASK;
271*4882a593Smuzhiyun data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET;
272*4882a593Smuzhiyun /* Bypass frame detection and sync detection for RX DATA */
273*4882a593Smuzhiyun mask = HPIPE_INTERFACE_DET_BYPASS_MASK;
274*4882a593Smuzhiyun data = 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET;
275*4882a593Smuzhiyun /* Set Link Train Mode (Tx training control pins are used) */
276*4882a593Smuzhiyun mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK;
277*4882a593Smuzhiyun data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET;
278*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask);
279*4882a593Smuzhiyun
280*4882a593Smuzhiyun /* Set Idle_sync enable */
281*4882a593Smuzhiyun mask = HPIPE_PCIE_IDLE_SYNC_MASK;
282*4882a593Smuzhiyun data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET;
283*4882a593Smuzhiyun /* Select bits for PCIE Gen3(32bit) */
284*4882a593Smuzhiyun mask |= HPIPE_PCIE_SEL_BITS_MASK;
285*4882a593Smuzhiyun data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET;
286*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask);
287*4882a593Smuzhiyun
288*4882a593Smuzhiyun /* Enable Tx_adapt_g1 */
289*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_CTRL_G1_MASK;
290*4882a593Smuzhiyun data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET;
291*4882a593Smuzhiyun /* Enable Tx_adapt_gn1 */
292*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK;
293*4882a593Smuzhiyun data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET;
294*4882a593Smuzhiyun /* Disable Tx_adapt_g0 */
295*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK;
296*4882a593Smuzhiyun data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
297*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
298*4882a593Smuzhiyun
299*4882a593Smuzhiyun /* Set reg_tx_train_chk_init */
300*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_CHK_INIT_MASK;
301*4882a593Smuzhiyun data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET;
302*4882a593Smuzhiyun /* Enable TX_COE_FM_PIN_PCIE3_EN */
303*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK;
304*4882a593Smuzhiyun data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET;
305*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
306*4882a593Smuzhiyun
307*4882a593Smuzhiyun debug("stage: TRx training parameters\n");
308*4882a593Smuzhiyun /* Set Preset sweep configurations */
309*4882a593Smuzhiyun mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK;
310*4882a593Smuzhiyun data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET;
311*4882a593Smuzhiyun
312*4882a593Smuzhiyun mask |= HPIPE_TX_NUM_OF_PRESET_MASK;
313*4882a593Smuzhiyun data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET;
314*4882a593Smuzhiyun
315*4882a593Smuzhiyun mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK;
316*4882a593Smuzhiyun data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET;
317*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask);
318*4882a593Smuzhiyun
319*4882a593Smuzhiyun /* Tx train start configuration */
320*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK;
321*4882a593Smuzhiyun data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET;
322*4882a593Smuzhiyun
323*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK;
324*4882a593Smuzhiyun data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET;
325*4882a593Smuzhiyun
326*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK;
327*4882a593Smuzhiyun data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET;
328*4882a593Smuzhiyun
329*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK;
330*4882a593Smuzhiyun data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET;
331*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
332*4882a593Smuzhiyun
333*4882a593Smuzhiyun /* Enable Tx train P2P */
334*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
335*4882a593Smuzhiyun data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
336*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
337*4882a593Smuzhiyun
338*4882a593Smuzhiyun /* Configure Tx train timeout */
339*4882a593Smuzhiyun mask = HPIPE_TRX_TRAIN_TIMER_MASK;
340*4882a593Smuzhiyun data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET;
341*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask);
342*4882a593Smuzhiyun
343*4882a593Smuzhiyun /* Disable G0/G1/GN1 adaptation */
344*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK
345*4882a593Smuzhiyun | HPIPE_TX_TRAIN_CTRL_G0_OFFSET;
346*4882a593Smuzhiyun data = 0;
347*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask);
348*4882a593Smuzhiyun
349*4882a593Smuzhiyun /* Disable DTL frequency loop */
350*4882a593Smuzhiyun mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
351*4882a593Smuzhiyun data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
352*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
353*4882a593Smuzhiyun
354*4882a593Smuzhiyun /* Configure G3 DFE */
355*4882a593Smuzhiyun mask = HPIPE_G3_DFE_RES_MASK;
356*4882a593Smuzhiyun data = 0x3 << HPIPE_G3_DFE_RES_OFFSET;
357*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
358*4882a593Smuzhiyun
359*4882a593Smuzhiyun /* Use TX/RX training result for DFE */
360*4882a593Smuzhiyun mask = HPIPE_DFE_RES_FORCE_MASK;
361*4882a593Smuzhiyun data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET;
362*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
363*4882a593Smuzhiyun
364*4882a593Smuzhiyun /* Configure initial and final coefficient value for receiver */
365*4882a593Smuzhiyun mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
366*4882a593Smuzhiyun data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
367*4882a593Smuzhiyun
368*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
369*4882a593Smuzhiyun data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
370*4882a593Smuzhiyun
371*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
372*4882a593Smuzhiyun data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
373*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
374*4882a593Smuzhiyun
375*4882a593Smuzhiyun /* Trigger sampler enable pulse */
376*4882a593Smuzhiyun mask = HPIPE_SMAPLER_MASK;
377*4882a593Smuzhiyun data = 0x1 << HPIPE_SMAPLER_OFFSET;
378*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
379*4882a593Smuzhiyun udelay(5);
380*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask);
381*4882a593Smuzhiyun
382*4882a593Smuzhiyun /* FFE resistor tuning for different bandwidth */
383*4882a593Smuzhiyun mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
384*4882a593Smuzhiyun data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
385*4882a593Smuzhiyun
386*4882a593Smuzhiyun mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
387*4882a593Smuzhiyun data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
388*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
389*4882a593Smuzhiyun
390*4882a593Smuzhiyun /* Pattern lock lost timeout disable */
391*4882a593Smuzhiyun mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
392*4882a593Smuzhiyun data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
393*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
394*4882a593Smuzhiyun
395*4882a593Smuzhiyun /* Configure DFE adaptations */
396*4882a593Smuzhiyun mask = HPIPE_CDR_MAX_DFE_ADAPT_1_MASK;
397*4882a593Smuzhiyun data = 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET;
398*4882a593Smuzhiyun mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK;
399*4882a593Smuzhiyun data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET;
400*4882a593Smuzhiyun mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK;
401*4882a593Smuzhiyun data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET;
402*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask);
403*4882a593Smuzhiyun mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK;
404*4882a593Smuzhiyun data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET;
405*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask);
406*4882a593Smuzhiyun
407*4882a593Smuzhiyun /* Genration 2 setting 1*/
408*4882a593Smuzhiyun mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
409*4882a593Smuzhiyun data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
410*4882a593Smuzhiyun mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
411*4882a593Smuzhiyun data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
412*4882a593Smuzhiyun mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
413*4882a593Smuzhiyun data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
414*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
415*4882a593Smuzhiyun
416*4882a593Smuzhiyun /* DFE enable */
417*4882a593Smuzhiyun mask = HPIPE_G2_DFE_RES_MASK;
418*4882a593Smuzhiyun data = 0x3 << HPIPE_G2_DFE_RES_OFFSET;
419*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask);
420*4882a593Smuzhiyun
421*4882a593Smuzhiyun /* Configure DFE Resolution */
422*4882a593Smuzhiyun mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK;
423*4882a593Smuzhiyun data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET;
424*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
425*4882a593Smuzhiyun
426*4882a593Smuzhiyun /* VDD calibration control */
427*4882a593Smuzhiyun mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
428*4882a593Smuzhiyun data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
429*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
430*4882a593Smuzhiyun
431*4882a593Smuzhiyun /* Set PLL Charge-pump Current Control */
432*4882a593Smuzhiyun mask = HPIPE_G3_SETTING_5_G3_ICP_MASK;
433*4882a593Smuzhiyun data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET;
434*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask);
435*4882a593Smuzhiyun
436*4882a593Smuzhiyun /* Set lane rqualization remote setting */
437*4882a593Smuzhiyun mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK;
438*4882a593Smuzhiyun data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET;
439*4882a593Smuzhiyun mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK;
440*4882a593Smuzhiyun data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET;
441*4882a593Smuzhiyun mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK;
442*4882a593Smuzhiyun data |= 0x2 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET;
443*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask);
444*4882a593Smuzhiyun
445*4882a593Smuzhiyun if (!is_end_point) {
446*4882a593Smuzhiyun /* Set phy in root complex mode */
447*4882a593Smuzhiyun mask = HPIPE_CFG_PHY_RC_EP_MASK;
448*4882a593Smuzhiyun data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET;
449*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask);
450*4882a593Smuzhiyun }
451*4882a593Smuzhiyun
452*4882a593Smuzhiyun debug("stage: Comphy power up\n");
453*4882a593Smuzhiyun
454*4882a593Smuzhiyun /*
455*4882a593Smuzhiyun * For PCIe by4 or by2 - release from reset only after finish to
456*4882a593Smuzhiyun * configure all lanes
457*4882a593Smuzhiyun */
458*4882a593Smuzhiyun if ((pcie_width == 1) || (lane == (pcie_width - 1))) {
459*4882a593Smuzhiyun u32 i, start_lane, end_lane;
460*4882a593Smuzhiyun
461*4882a593Smuzhiyun if (pcie_width != 1) {
462*4882a593Smuzhiyun /* allows writing to all lanes in one write */
463*4882a593Smuzhiyun reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
464*4882a593Smuzhiyun 0x0 <<
465*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
466*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
467*4882a593Smuzhiyun start_lane = 0;
468*4882a593Smuzhiyun end_lane = pcie_width;
469*4882a593Smuzhiyun
470*4882a593Smuzhiyun /*
471*4882a593Smuzhiyun * Release from PIPE soft reset
472*4882a593Smuzhiyun * for PCIe by4 or by2 - release from soft reset
473*4882a593Smuzhiyun * all lanes - can't use read modify write
474*4882a593Smuzhiyun */
475*4882a593Smuzhiyun reg_set(HPIPE_ADDR(hpipe_base, 0) +
476*4882a593Smuzhiyun HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff);
477*4882a593Smuzhiyun } else {
478*4882a593Smuzhiyun start_lane = lane;
479*4882a593Smuzhiyun end_lane = lane + 1;
480*4882a593Smuzhiyun
481*4882a593Smuzhiyun /*
482*4882a593Smuzhiyun * Release from PIPE soft reset
483*4882a593Smuzhiyun * for PCIe by4 or by2 - release from soft reset
484*4882a593Smuzhiyun * all lanes
485*4882a593Smuzhiyun */
486*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
487*4882a593Smuzhiyun 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
488*4882a593Smuzhiyun HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
489*4882a593Smuzhiyun }
490*4882a593Smuzhiyun
491*4882a593Smuzhiyun
492*4882a593Smuzhiyun if (pcie_width != 1) {
493*4882a593Smuzhiyun /* disable writing to all lanes with one write */
494*4882a593Smuzhiyun reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
495*4882a593Smuzhiyun 0x3210 <<
496*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET,
497*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK);
498*4882a593Smuzhiyun }
499*4882a593Smuzhiyun
500*4882a593Smuzhiyun debug("stage: Check PLL\n");
501*4882a593Smuzhiyun /* Read lane status */
502*4882a593Smuzhiyun for (i = start_lane; i < end_lane; i++) {
503*4882a593Smuzhiyun addr = HPIPE_ADDR(hpipe_base, i) +
504*4882a593Smuzhiyun HPIPE_LANE_STATUS1_REG;
505*4882a593Smuzhiyun data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
506*4882a593Smuzhiyun mask = data;
507*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 15000);
508*4882a593Smuzhiyun if (data != 0) {
509*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
510*4882a593Smuzhiyun hpipe_addr + HPIPE_LANE_STATUS1_REG,
511*4882a593Smuzhiyun data);
512*4882a593Smuzhiyun pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
513*4882a593Smuzhiyun ret = 0;
514*4882a593Smuzhiyun }
515*4882a593Smuzhiyun }
516*4882a593Smuzhiyun }
517*4882a593Smuzhiyun
518*4882a593Smuzhiyun debug_exit();
519*4882a593Smuzhiyun return ret;
520*4882a593Smuzhiyun }
521*4882a593Smuzhiyun
comphy_usb3_power_up(u32 lane,void __iomem * hpipe_base,void __iomem * comphy_base)522*4882a593Smuzhiyun static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base,
523*4882a593Smuzhiyun void __iomem *comphy_base)
524*4882a593Smuzhiyun {
525*4882a593Smuzhiyun u32 mask, data, ret = 1;
526*4882a593Smuzhiyun void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
527*4882a593Smuzhiyun void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
528*4882a593Smuzhiyun void __iomem *addr;
529*4882a593Smuzhiyun
530*4882a593Smuzhiyun debug_enter();
531*4882a593Smuzhiyun debug("stage: RFU configurations - hard reset comphy\n");
532*4882a593Smuzhiyun /* RFU configurations - hard reset comphy */
533*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_UP_MASK;
534*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
535*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
536*4882a593Smuzhiyun data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
537*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
538*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
539*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
540*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
541*4882a593Smuzhiyun mask |= COMMON_PHY_PHY_MODE_MASK;
542*4882a593Smuzhiyun data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET;
543*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
544*4882a593Smuzhiyun
545*4882a593Smuzhiyun /* release from hard reset */
546*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
547*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
548*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
549*4882a593Smuzhiyun data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
550*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
551*4882a593Smuzhiyun
552*4882a593Smuzhiyun /* Wait 1ms - until band gap and ref clock ready */
553*4882a593Smuzhiyun mdelay(1);
554*4882a593Smuzhiyun
555*4882a593Smuzhiyun /* Start comphy Configuration */
556*4882a593Smuzhiyun debug("stage: Comphy configuration\n");
557*4882a593Smuzhiyun /* Set PIPE soft reset */
558*4882a593Smuzhiyun mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK;
559*4882a593Smuzhiyun data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET;
560*4882a593Smuzhiyun /* Set PHY datapath width mode for V0 */
561*4882a593Smuzhiyun mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK;
562*4882a593Smuzhiyun data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET;
563*4882a593Smuzhiyun /* Set Data bus width USB mode for V0 */
564*4882a593Smuzhiyun mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK;
565*4882a593Smuzhiyun data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET;
566*4882a593Smuzhiyun /* Set CORE_CLK output frequency for 250Mhz */
567*4882a593Smuzhiyun mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK;
568*4882a593Smuzhiyun data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET;
569*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask);
570*4882a593Smuzhiyun /* Set PLL ready delay for 0x2 */
571*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG,
572*4882a593Smuzhiyun 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET,
573*4882a593Smuzhiyun HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK);
574*4882a593Smuzhiyun /* Set reference clock to come from group 1 - 25Mhz */
575*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_MISC_REG,
576*4882a593Smuzhiyun 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
577*4882a593Smuzhiyun HPIPE_MISC_REFCLK_SEL_MASK);
578*4882a593Smuzhiyun /* Set reference frequcency select - 0x2 */
579*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
580*4882a593Smuzhiyun data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
581*4882a593Smuzhiyun /* Set PHY mode to USB - 0x5 */
582*4882a593Smuzhiyun mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
583*4882a593Smuzhiyun data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
584*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
585*4882a593Smuzhiyun /* Set the amount of time spent in the LoZ state - set for 0x7 */
586*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL,
587*4882a593Smuzhiyun 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET,
588*4882a593Smuzhiyun HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK);
589*4882a593Smuzhiyun /* Set max PHY generation setting - 5Gbps */
590*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
591*4882a593Smuzhiyun 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
592*4882a593Smuzhiyun HPIPE_INTERFACE_GEN_MAX_MASK);
593*4882a593Smuzhiyun /* Set select data width 20Bit (SEL_BITS[2:0]) */
594*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
595*4882a593Smuzhiyun 0x1 << HPIPE_LOOPBACK_SEL_OFFSET,
596*4882a593Smuzhiyun HPIPE_LOOPBACK_SEL_MASK);
597*4882a593Smuzhiyun /* select de-emphasize 3.5db */
598*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG,
599*4882a593Smuzhiyun 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET,
600*4882a593Smuzhiyun HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK);
601*4882a593Smuzhiyun /* override tx margining from the MAC */
602*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG,
603*4882a593Smuzhiyun 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
604*4882a593Smuzhiyun HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
605*4882a593Smuzhiyun
606*4882a593Smuzhiyun /* Start analog paramters from ETP(HW) */
607*4882a593Smuzhiyun debug("stage: Analog paramters from ETP(HW)\n");
608*4882a593Smuzhiyun /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
609*4882a593Smuzhiyun mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK;
610*4882a593Smuzhiyun data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET;
611*4882a593Smuzhiyun /* Set Override PHY DFE control pins for 0x1 */
612*4882a593Smuzhiyun mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK;
613*4882a593Smuzhiyun data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET;
614*4882a593Smuzhiyun /* Set Spread Spectrum Clock Enable fot 0x1 */
615*4882a593Smuzhiyun mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
616*4882a593Smuzhiyun data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
617*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
618*4882a593Smuzhiyun /* End of analog parameters */
619*4882a593Smuzhiyun
620*4882a593Smuzhiyun debug("stage: Comphy power up\n");
621*4882a593Smuzhiyun /* Release from PIPE soft reset */
622*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG,
623*4882a593Smuzhiyun 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET,
624*4882a593Smuzhiyun HPIPE_RST_CLK_CTRL_PIPE_RST_MASK);
625*4882a593Smuzhiyun
626*4882a593Smuzhiyun /* wait 15ms - for comphy calibration done */
627*4882a593Smuzhiyun debug("stage: Check PLL\n");
628*4882a593Smuzhiyun /* Read lane status */
629*4882a593Smuzhiyun addr = hpipe_addr + HPIPE_LANE_STATUS1_REG;
630*4882a593Smuzhiyun data = HPIPE_LANE_STATUS1_PCLK_EN_MASK;
631*4882a593Smuzhiyun mask = data;
632*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 15000);
633*4882a593Smuzhiyun if (data != 0) {
634*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
635*4882a593Smuzhiyun hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
636*4882a593Smuzhiyun pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n");
637*4882a593Smuzhiyun ret = 0;
638*4882a593Smuzhiyun }
639*4882a593Smuzhiyun
640*4882a593Smuzhiyun debug_exit();
641*4882a593Smuzhiyun return ret;
642*4882a593Smuzhiyun }
643*4882a593Smuzhiyun
comphy_sata_power_up(u32 lane,void __iomem * hpipe_base,void __iomem * comphy_base,int cp_index)644*4882a593Smuzhiyun static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base,
645*4882a593Smuzhiyun void __iomem *comphy_base, int cp_index)
646*4882a593Smuzhiyun {
647*4882a593Smuzhiyun u32 mask, data, i, ret = 1;
648*4882a593Smuzhiyun void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
649*4882a593Smuzhiyun void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
650*4882a593Smuzhiyun void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
651*4882a593Smuzhiyun void __iomem *addr;
652*4882a593Smuzhiyun void __iomem *sata_base = NULL;
653*4882a593Smuzhiyun int sata_node = -1; /* Set to -1 in order to read the first sata node */
654*4882a593Smuzhiyun
655*4882a593Smuzhiyun debug_enter();
656*4882a593Smuzhiyun
657*4882a593Smuzhiyun /*
658*4882a593Smuzhiyun * Assumption - each CP has only one SATA controller
659*4882a593Smuzhiyun * Calling fdt_node_offset_by_compatible first time (with sata_node = -1
660*4882a593Smuzhiyun * will return the first node always.
661*4882a593Smuzhiyun * In order to parse each CPs SATA node, fdt_node_offset_by_compatible
662*4882a593Smuzhiyun * must be called again (according to the CP id)
663*4882a593Smuzhiyun */
664*4882a593Smuzhiyun for (i = 0; i < (cp_index + 1); i++)
665*4882a593Smuzhiyun sata_node = fdt_node_offset_by_compatible(
666*4882a593Smuzhiyun gd->fdt_blob, sata_node, "marvell,armada-8k-ahci");
667*4882a593Smuzhiyun
668*4882a593Smuzhiyun if (sata_node == 0) {
669*4882a593Smuzhiyun pr_err("SATA node not found in FDT\n");
670*4882a593Smuzhiyun return 0;
671*4882a593Smuzhiyun }
672*4882a593Smuzhiyun
673*4882a593Smuzhiyun sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
674*4882a593Smuzhiyun gd->fdt_blob, sata_node, "reg", 0, NULL, true);
675*4882a593Smuzhiyun if (sata_base == NULL) {
676*4882a593Smuzhiyun pr_err("SATA address not found in FDT\n");
677*4882a593Smuzhiyun return 0;
678*4882a593Smuzhiyun }
679*4882a593Smuzhiyun
680*4882a593Smuzhiyun debug("SATA address found in FDT %p\n", sata_base);
681*4882a593Smuzhiyun
682*4882a593Smuzhiyun debug("stage: MAC configuration - power down comphy\n");
683*4882a593Smuzhiyun /*
684*4882a593Smuzhiyun * MAC configuration powe down comphy use indirect address for
685*4882a593Smuzhiyun * vendor spesific SATA control register
686*4882a593Smuzhiyun */
687*4882a593Smuzhiyun reg_set(sata_base + SATA3_VENDOR_ADDRESS,
688*4882a593Smuzhiyun SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
689*4882a593Smuzhiyun SATA3_VENDOR_ADDR_MASK);
690*4882a593Smuzhiyun /* SATA 0 power down */
691*4882a593Smuzhiyun mask = SATA3_CTRL_SATA0_PD_MASK;
692*4882a593Smuzhiyun data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET;
693*4882a593Smuzhiyun /* SATA 1 power down */
694*4882a593Smuzhiyun mask |= SATA3_CTRL_SATA1_PD_MASK;
695*4882a593Smuzhiyun data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET;
696*4882a593Smuzhiyun /* SATA SSU disable */
697*4882a593Smuzhiyun mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
698*4882a593Smuzhiyun data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
699*4882a593Smuzhiyun /* SATA port 1 disable */
700*4882a593Smuzhiyun mask |= SATA3_CTRL_SATA_SSU_MASK;
701*4882a593Smuzhiyun data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET;
702*4882a593Smuzhiyun reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
703*4882a593Smuzhiyun
704*4882a593Smuzhiyun debug("stage: RFU configurations - hard reset comphy\n");
705*4882a593Smuzhiyun /* RFU configurations - hard reset comphy */
706*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_UP_MASK;
707*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
708*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
709*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
710*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK;
711*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET;
712*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK;
713*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET;
714*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
715*4882a593Smuzhiyun
716*4882a593Smuzhiyun /* Set select data width 40Bit - SATA mode only */
717*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG6_REG,
718*4882a593Smuzhiyun 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET,
719*4882a593Smuzhiyun COMMON_PHY_CFG6_IF_40_SEL_MASK);
720*4882a593Smuzhiyun
721*4882a593Smuzhiyun /* release from hard reset in SD external */
722*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
723*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
724*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
725*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
726*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
727*4882a593Smuzhiyun
728*4882a593Smuzhiyun /* Wait 1ms - until band gap and ref clock ready */
729*4882a593Smuzhiyun mdelay(1);
730*4882a593Smuzhiyun
731*4882a593Smuzhiyun debug("stage: Comphy configuration\n");
732*4882a593Smuzhiyun /* Start comphy Configuration */
733*4882a593Smuzhiyun /* Set reference clock to comes from group 1 - choose 25Mhz */
734*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_MISC_REG,
735*4882a593Smuzhiyun 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
736*4882a593Smuzhiyun HPIPE_MISC_REFCLK_SEL_MASK);
737*4882a593Smuzhiyun /* Reference frequency select set 1 (for SATA = 25Mhz) */
738*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
739*4882a593Smuzhiyun data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
740*4882a593Smuzhiyun /* PHY mode select (set SATA = 0x0 */
741*4882a593Smuzhiyun mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
742*4882a593Smuzhiyun data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
743*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
744*4882a593Smuzhiyun /* Set max PHY generation setting - 6Gbps */
745*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_INTERFACE_REG,
746*4882a593Smuzhiyun 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET,
747*4882a593Smuzhiyun HPIPE_INTERFACE_GEN_MAX_MASK);
748*4882a593Smuzhiyun /* Set select data width 40Bit (SEL_BITS[2:0]) */
749*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
750*4882a593Smuzhiyun 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
751*4882a593Smuzhiyun
752*4882a593Smuzhiyun debug("stage: Analog paramters from ETP(HW)\n");
753*4882a593Smuzhiyun /* Set analog parameters from ETP(HW) */
754*4882a593Smuzhiyun /* G1 settings */
755*4882a593Smuzhiyun mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
756*4882a593Smuzhiyun data = 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
757*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
758*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
759*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
760*4882a593Smuzhiyun data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
761*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
762*4882a593Smuzhiyun data |= 0x3 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
763*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
764*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
765*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
766*4882a593Smuzhiyun
767*4882a593Smuzhiyun mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
768*4882a593Smuzhiyun data = 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
769*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
770*4882a593Smuzhiyun data |= 0x2 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
771*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
772*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
773*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_MASK;
774*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_OFFSET;
775*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_MASK;
776*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_OFFSET;
777*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
778*4882a593Smuzhiyun
779*4882a593Smuzhiyun /* G2 settings */
780*4882a593Smuzhiyun mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK;
781*4882a593Smuzhiyun data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET;
782*4882a593Smuzhiyun mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK;
783*4882a593Smuzhiyun data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET;
784*4882a593Smuzhiyun mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK;
785*4882a593Smuzhiyun data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET;
786*4882a593Smuzhiyun mask |= HPIPE_G2_SET_1_G2_RX_SELMUFF_MASK;
787*4882a593Smuzhiyun data |= 0x3 << HPIPE_G2_SET_1_G2_RX_SELMUFF_OFFSET;
788*4882a593Smuzhiyun mask |= HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_MASK;
789*4882a593Smuzhiyun data |= 0x1 << HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_OFFSET;
790*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask);
791*4882a593Smuzhiyun
792*4882a593Smuzhiyun /* G3 settings */
793*4882a593Smuzhiyun mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK;
794*4882a593Smuzhiyun data = 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET;
795*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK;
796*4882a593Smuzhiyun data |= 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET;
797*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_RX_SELMUFI_MASK;
798*4882a593Smuzhiyun data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFI_OFFSET;
799*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_RX_SELMUFF_MASK;
800*4882a593Smuzhiyun data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFF_OFFSET;
801*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_RX_DFE_EN_MASK;
802*4882a593Smuzhiyun data |= 0x1 << HPIPE_G3_SET_1_G3_RX_DFE_EN_OFFSET;
803*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_MASK;
804*4882a593Smuzhiyun data |= 0x2 << HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_OFFSET;
805*4882a593Smuzhiyun mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK;
806*4882a593Smuzhiyun data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET;
807*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask);
808*4882a593Smuzhiyun
809*4882a593Smuzhiyun /* DTL Control */
810*4882a593Smuzhiyun mask = HPIPE_PWR_CTR_DTL_SQ_DET_EN_MASK;
811*4882a593Smuzhiyun data = 0x1 << HPIPE_PWR_CTR_DTL_SQ_DET_EN_OFFSET;
812*4882a593Smuzhiyun mask |= HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_MASK;
813*4882a593Smuzhiyun data |= 0x1 << HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_OFFSET;
814*4882a593Smuzhiyun mask |= HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
815*4882a593Smuzhiyun data |= 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
816*4882a593Smuzhiyun mask |= HPIPE_PWR_CTR_DTL_CLAMPING_SEL_MASK;
817*4882a593Smuzhiyun data |= 0x1 << HPIPE_PWR_CTR_DTL_CLAMPING_SEL_OFFSET;
818*4882a593Smuzhiyun mask |= HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_MASK;
819*4882a593Smuzhiyun data |= 0x1 << HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_OFFSET;
820*4882a593Smuzhiyun mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_MASK;
821*4882a593Smuzhiyun data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_OFFSET;
822*4882a593Smuzhiyun mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_MASK;
823*4882a593Smuzhiyun data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_OFFSET;
824*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
825*4882a593Smuzhiyun
826*4882a593Smuzhiyun /* Trigger sampler enable pulse (by toggleing the bit) */
827*4882a593Smuzhiyun mask = HPIPE_SMAPLER_MASK;
828*4882a593Smuzhiyun data = 0x1 << HPIPE_SMAPLER_OFFSET;
829*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
830*4882a593Smuzhiyun mask = HPIPE_SMAPLER_MASK;
831*4882a593Smuzhiyun data = 0x0 << HPIPE_SMAPLER_OFFSET;
832*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
833*4882a593Smuzhiyun
834*4882a593Smuzhiyun /* VDD Calibration Control 3 */
835*4882a593Smuzhiyun mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
836*4882a593Smuzhiyun data = 0x10 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
837*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
838*4882a593Smuzhiyun
839*4882a593Smuzhiyun /* DFE Resolution Control */
840*4882a593Smuzhiyun mask = HPIPE_DFE_RES_FORCE_MASK;
841*4882a593Smuzhiyun data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
842*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
843*4882a593Smuzhiyun
844*4882a593Smuzhiyun /* DFE F3-F5 Coefficient Control */
845*4882a593Smuzhiyun mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
846*4882a593Smuzhiyun data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
847*4882a593Smuzhiyun mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
848*4882a593Smuzhiyun data = 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
849*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
850*4882a593Smuzhiyun
851*4882a593Smuzhiyun /* G3 Setting 3 */
852*4882a593Smuzhiyun mask = HPIPE_G3_FFE_CAP_SEL_MASK;
853*4882a593Smuzhiyun data = 0xf << HPIPE_G3_FFE_CAP_SEL_OFFSET;
854*4882a593Smuzhiyun mask |= HPIPE_G3_FFE_RES_SEL_MASK;
855*4882a593Smuzhiyun data |= 0x4 << HPIPE_G3_FFE_RES_SEL_OFFSET;
856*4882a593Smuzhiyun mask |= HPIPE_G3_FFE_SETTING_FORCE_MASK;
857*4882a593Smuzhiyun data |= 0x1 << HPIPE_G3_FFE_SETTING_FORCE_OFFSET;
858*4882a593Smuzhiyun mask |= HPIPE_G3_FFE_DEG_RES_LEVEL_MASK;
859*4882a593Smuzhiyun data |= 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET;
860*4882a593Smuzhiyun mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK;
861*4882a593Smuzhiyun data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET;
862*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask);
863*4882a593Smuzhiyun
864*4882a593Smuzhiyun /* G3 Setting 4 */
865*4882a593Smuzhiyun mask = HPIPE_G3_DFE_RES_MASK;
866*4882a593Smuzhiyun data = 0x2 << HPIPE_G3_DFE_RES_OFFSET;
867*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask);
868*4882a593Smuzhiyun
869*4882a593Smuzhiyun /* Offset Phase Control */
870*4882a593Smuzhiyun mask = HPIPE_OS_PH_OFFSET_MASK;
871*4882a593Smuzhiyun data = 0x5c << HPIPE_OS_PH_OFFSET_OFFSET;
872*4882a593Smuzhiyun mask |= HPIPE_OS_PH_OFFSET_FORCE_MASK;
873*4882a593Smuzhiyun data |= 0x1 << HPIPE_OS_PH_OFFSET_FORCE_OFFSET;
874*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
875*4882a593Smuzhiyun mask = HPIPE_OS_PH_VALID_MASK;
876*4882a593Smuzhiyun data = 0x1 << HPIPE_OS_PH_VALID_OFFSET;
877*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
878*4882a593Smuzhiyun mask = HPIPE_OS_PH_VALID_MASK;
879*4882a593Smuzhiyun data = 0x0 << HPIPE_OS_PH_VALID_OFFSET;
880*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask);
881*4882a593Smuzhiyun
882*4882a593Smuzhiyun /* Set G1 TX amplitude and TX post emphasis value */
883*4882a593Smuzhiyun mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
884*4882a593Smuzhiyun data = 0x8 << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
885*4882a593Smuzhiyun mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK;
886*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET;
887*4882a593Smuzhiyun mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
888*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
889*4882a593Smuzhiyun mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK;
890*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET;
891*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
892*4882a593Smuzhiyun
893*4882a593Smuzhiyun /* Set G2 TX amplitude and TX post emphasis value */
894*4882a593Smuzhiyun mask = HPIPE_G2_SET_0_G2_TX_AMP_MASK;
895*4882a593Smuzhiyun data = 0xa << HPIPE_G2_SET_0_G2_TX_AMP_OFFSET;
896*4882a593Smuzhiyun mask |= HPIPE_G2_SET_0_G2_TX_AMP_ADJ_MASK;
897*4882a593Smuzhiyun data |= 0x1 << HPIPE_G2_SET_0_G2_TX_AMP_ADJ_OFFSET;
898*4882a593Smuzhiyun mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_MASK;
899*4882a593Smuzhiyun data |= 0x2 << HPIPE_G2_SET_0_G2_TX_EMPH1_OFFSET;
900*4882a593Smuzhiyun mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_EN_MASK;
901*4882a593Smuzhiyun data |= 0x1 << HPIPE_G2_SET_0_G2_TX_EMPH1_EN_OFFSET;
902*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G2_SET_0_REG, data, mask);
903*4882a593Smuzhiyun
904*4882a593Smuzhiyun /* Set G3 TX amplitude and TX post emphasis value */
905*4882a593Smuzhiyun mask = HPIPE_G3_SET_0_G3_TX_AMP_MASK;
906*4882a593Smuzhiyun data = 0xe << HPIPE_G3_SET_0_G3_TX_AMP_OFFSET;
907*4882a593Smuzhiyun mask |= HPIPE_G3_SET_0_G3_TX_AMP_ADJ_MASK;
908*4882a593Smuzhiyun data |= 0x1 << HPIPE_G3_SET_0_G3_TX_AMP_ADJ_OFFSET;
909*4882a593Smuzhiyun mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_MASK;
910*4882a593Smuzhiyun data |= 0x6 << HPIPE_G3_SET_0_G3_TX_EMPH1_OFFSET;
911*4882a593Smuzhiyun mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_EN_MASK;
912*4882a593Smuzhiyun data |= 0x1 << HPIPE_G3_SET_0_G3_TX_EMPH1_EN_OFFSET;
913*4882a593Smuzhiyun mask |= HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_MASK;
914*4882a593Smuzhiyun data |= 0x4 << HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_OFFSET;
915*4882a593Smuzhiyun mask |= HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_MASK;
916*4882a593Smuzhiyun data |= 0x0 << HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_OFFSET;
917*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G3_SET_0_REG, data, mask);
918*4882a593Smuzhiyun
919*4882a593Smuzhiyun /* SERDES External Configuration 2 register */
920*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG2_SSC_ENABLE_MASK;
921*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG2_SSC_ENABLE_OFFSET;
922*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
923*4882a593Smuzhiyun
924*4882a593Smuzhiyun /* DFE reset sequence */
925*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
926*4882a593Smuzhiyun 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
927*4882a593Smuzhiyun HPIPE_PWR_CTR_RST_DFE_MASK);
928*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
929*4882a593Smuzhiyun 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
930*4882a593Smuzhiyun HPIPE_PWR_CTR_RST_DFE_MASK);
931*4882a593Smuzhiyun /* SW reset for interupt logic */
932*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
933*4882a593Smuzhiyun 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
934*4882a593Smuzhiyun HPIPE_PWR_CTR_SFT_RST_MASK);
935*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
936*4882a593Smuzhiyun 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
937*4882a593Smuzhiyun HPIPE_PWR_CTR_SFT_RST_MASK);
938*4882a593Smuzhiyun
939*4882a593Smuzhiyun debug("stage: Comphy power up\n");
940*4882a593Smuzhiyun /*
941*4882a593Smuzhiyun * MAC configuration power up comphy - power up PLL/TX/RX
942*4882a593Smuzhiyun * use indirect address for vendor spesific SATA control register
943*4882a593Smuzhiyun */
944*4882a593Smuzhiyun reg_set(sata_base + SATA3_VENDOR_ADDRESS,
945*4882a593Smuzhiyun SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET,
946*4882a593Smuzhiyun SATA3_VENDOR_ADDR_MASK);
947*4882a593Smuzhiyun /* SATA 0 power up */
948*4882a593Smuzhiyun mask = SATA3_CTRL_SATA0_PD_MASK;
949*4882a593Smuzhiyun data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET;
950*4882a593Smuzhiyun /* SATA 1 power up */
951*4882a593Smuzhiyun mask |= SATA3_CTRL_SATA1_PD_MASK;
952*4882a593Smuzhiyun data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET;
953*4882a593Smuzhiyun /* SATA SSU enable */
954*4882a593Smuzhiyun mask |= SATA3_CTRL_SATA1_ENABLE_MASK;
955*4882a593Smuzhiyun data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET;
956*4882a593Smuzhiyun /* SATA port 1 enable */
957*4882a593Smuzhiyun mask |= SATA3_CTRL_SATA_SSU_MASK;
958*4882a593Smuzhiyun data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET;
959*4882a593Smuzhiyun reg_set(sata_base + SATA3_VENDOR_DATA, data, mask);
960*4882a593Smuzhiyun
961*4882a593Smuzhiyun /* MBUS request size and interface select register */
962*4882a593Smuzhiyun reg_set(sata_base + SATA3_VENDOR_ADDRESS,
963*4882a593Smuzhiyun SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET,
964*4882a593Smuzhiyun SATA3_VENDOR_ADDR_MASK);
965*4882a593Smuzhiyun /* Mbus regret enable */
966*4882a593Smuzhiyun reg_set(sata_base + SATA3_VENDOR_DATA,
967*4882a593Smuzhiyun 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK);
968*4882a593Smuzhiyun
969*4882a593Smuzhiyun debug("stage: Check PLL\n");
970*4882a593Smuzhiyun
971*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
972*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_PLL_TX_MASK &
973*4882a593Smuzhiyun SD_EXTERNAL_STATUS0_PLL_RX_MASK;
974*4882a593Smuzhiyun mask = data;
975*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 15000);
976*4882a593Smuzhiyun if (data != 0) {
977*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
978*4882a593Smuzhiyun hpipe_addr + HPIPE_LANE_STATUS1_REG, data);
979*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n",
980*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK),
981*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK));
982*4882a593Smuzhiyun ret = 0;
983*4882a593Smuzhiyun }
984*4882a593Smuzhiyun
985*4882a593Smuzhiyun debug_exit();
986*4882a593Smuzhiyun return ret;
987*4882a593Smuzhiyun }
988*4882a593Smuzhiyun
comphy_sgmii_power_up(u32 lane,u32 sgmii_speed,void __iomem * hpipe_base,void __iomem * comphy_base)989*4882a593Smuzhiyun static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed,
990*4882a593Smuzhiyun void __iomem *hpipe_base,
991*4882a593Smuzhiyun void __iomem *comphy_base)
992*4882a593Smuzhiyun {
993*4882a593Smuzhiyun u32 mask, data, ret = 1;
994*4882a593Smuzhiyun void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
995*4882a593Smuzhiyun void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
996*4882a593Smuzhiyun void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
997*4882a593Smuzhiyun void __iomem *addr;
998*4882a593Smuzhiyun
999*4882a593Smuzhiyun debug_enter();
1000*4882a593Smuzhiyun debug("stage: RFU configurations - hard reset comphy\n");
1001*4882a593Smuzhiyun /* RFU configurations - hard reset comphy */
1002*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_UP_MASK;
1003*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
1004*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
1005*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
1006*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
1007*4882a593Smuzhiyun
1008*4882a593Smuzhiyun /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
1009*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1010*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1011*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
1012*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
1013*4882a593Smuzhiyun if (sgmii_speed == PHY_SPEED_1_25G) {
1014*4882a593Smuzhiyun data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1015*4882a593Smuzhiyun data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1016*4882a593Smuzhiyun } else {
1017*4882a593Smuzhiyun /* 3.125G */
1018*4882a593Smuzhiyun data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1019*4882a593Smuzhiyun data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1020*4882a593Smuzhiyun }
1021*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1022*4882a593Smuzhiyun data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1023*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1024*4882a593Smuzhiyun data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1025*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
1026*4882a593Smuzhiyun data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
1027*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1028*4882a593Smuzhiyun
1029*4882a593Smuzhiyun /* release from hard reset */
1030*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1031*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1032*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1033*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1034*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1035*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1036*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1037*4882a593Smuzhiyun
1038*4882a593Smuzhiyun /* release from hard reset */
1039*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1040*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1041*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1042*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1043*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1044*4882a593Smuzhiyun
1045*4882a593Smuzhiyun
1046*4882a593Smuzhiyun /* Wait 1ms - until band gap and ref clock ready */
1047*4882a593Smuzhiyun mdelay(1);
1048*4882a593Smuzhiyun
1049*4882a593Smuzhiyun /* Start comphy Configuration */
1050*4882a593Smuzhiyun debug("stage: Comphy configuration\n");
1051*4882a593Smuzhiyun /* set reference clock */
1052*4882a593Smuzhiyun mask = HPIPE_MISC_REFCLK_SEL_MASK;
1053*4882a593Smuzhiyun data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
1054*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
1055*4882a593Smuzhiyun /* Power and PLL Control */
1056*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
1057*4882a593Smuzhiyun data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
1058*4882a593Smuzhiyun mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
1059*4882a593Smuzhiyun data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
1060*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
1061*4882a593Smuzhiyun /* Loopback register */
1062*4882a593Smuzhiyun mask = HPIPE_LOOPBACK_SEL_MASK;
1063*4882a593Smuzhiyun data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
1064*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
1065*4882a593Smuzhiyun /* rx control 1 */
1066*4882a593Smuzhiyun mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
1067*4882a593Smuzhiyun data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
1068*4882a593Smuzhiyun mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
1069*4882a593Smuzhiyun data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
1070*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
1071*4882a593Smuzhiyun /* DTL Control */
1072*4882a593Smuzhiyun mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
1073*4882a593Smuzhiyun data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
1074*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
1075*4882a593Smuzhiyun
1076*4882a593Smuzhiyun /* Set analog paramters from ETP(HW) - for now use the default datas */
1077*4882a593Smuzhiyun debug("stage: Analog paramters from ETP(HW)\n");
1078*4882a593Smuzhiyun
1079*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
1080*4882a593Smuzhiyun 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
1081*4882a593Smuzhiyun HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
1082*4882a593Smuzhiyun
1083*4882a593Smuzhiyun debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
1084*4882a593Smuzhiyun /* SERDES External Configuration */
1085*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1086*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1087*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1088*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1089*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1090*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1091*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1092*4882a593Smuzhiyun
1093*4882a593Smuzhiyun /* check PLL rx & tx ready */
1094*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1095*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
1096*4882a593Smuzhiyun SD_EXTERNAL_STATUS0_PLL_TX_MASK;
1097*4882a593Smuzhiyun mask = data;
1098*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 15000);
1099*4882a593Smuzhiyun if (data != 0) {
1100*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
1101*4882a593Smuzhiyun sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
1102*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
1103*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
1104*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
1105*4882a593Smuzhiyun ret = 0;
1106*4882a593Smuzhiyun }
1107*4882a593Smuzhiyun
1108*4882a593Smuzhiyun /* RX init */
1109*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1110*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1111*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1112*4882a593Smuzhiyun
1113*4882a593Smuzhiyun /* check that RX init done */
1114*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1115*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
1116*4882a593Smuzhiyun mask = data;
1117*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 100);
1118*4882a593Smuzhiyun if (data != 0) {
1119*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
1120*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
1121*4882a593Smuzhiyun ret = 0;
1122*4882a593Smuzhiyun }
1123*4882a593Smuzhiyun
1124*4882a593Smuzhiyun debug("stage: RF Reset\n");
1125*4882a593Smuzhiyun /* RF Reset */
1126*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1127*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1128*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1129*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1130*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1131*4882a593Smuzhiyun
1132*4882a593Smuzhiyun debug_exit();
1133*4882a593Smuzhiyun return ret;
1134*4882a593Smuzhiyun }
1135*4882a593Smuzhiyun
comphy_sfi_power_up(u32 lane,void __iomem * hpipe_base,void __iomem * comphy_base,u32 speed)1136*4882a593Smuzhiyun static int comphy_sfi_power_up(u32 lane, void __iomem *hpipe_base,
1137*4882a593Smuzhiyun void __iomem *comphy_base, u32 speed)
1138*4882a593Smuzhiyun {
1139*4882a593Smuzhiyun u32 mask, data, ret = 1;
1140*4882a593Smuzhiyun void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
1141*4882a593Smuzhiyun void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
1142*4882a593Smuzhiyun void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
1143*4882a593Smuzhiyun void __iomem *addr;
1144*4882a593Smuzhiyun
1145*4882a593Smuzhiyun debug_enter();
1146*4882a593Smuzhiyun debug("stage: RFU configurations - hard reset comphy\n");
1147*4882a593Smuzhiyun /* RFU configurations - hard reset comphy */
1148*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_UP_MASK;
1149*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
1150*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
1151*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
1152*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
1153*4882a593Smuzhiyun
1154*4882a593Smuzhiyun /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
1155*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1156*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1157*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
1158*4882a593Smuzhiyun data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1159*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
1160*4882a593Smuzhiyun data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1161*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1162*4882a593Smuzhiyun data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1163*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1164*4882a593Smuzhiyun data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1165*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
1166*4882a593Smuzhiyun data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
1167*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1168*4882a593Smuzhiyun
1169*4882a593Smuzhiyun /* release from hard reset */
1170*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1171*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1172*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1173*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1174*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1175*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1176*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1177*4882a593Smuzhiyun
1178*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1179*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1180*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1181*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1182*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1183*4882a593Smuzhiyun
1184*4882a593Smuzhiyun
1185*4882a593Smuzhiyun /* Wait 1ms - until band gap and ref clock ready */
1186*4882a593Smuzhiyun mdelay(1);
1187*4882a593Smuzhiyun
1188*4882a593Smuzhiyun /* Start comphy Configuration */
1189*4882a593Smuzhiyun debug("stage: Comphy configuration\n");
1190*4882a593Smuzhiyun /* set reference clock */
1191*4882a593Smuzhiyun mask = HPIPE_MISC_ICP_FORCE_MASK;
1192*4882a593Smuzhiyun data = (speed == PHY_SPEED_5_15625G) ?
1193*4882a593Smuzhiyun (0x0 << HPIPE_MISC_ICP_FORCE_OFFSET) :
1194*4882a593Smuzhiyun (0x1 << HPIPE_MISC_ICP_FORCE_OFFSET);
1195*4882a593Smuzhiyun mask |= HPIPE_MISC_REFCLK_SEL_MASK;
1196*4882a593Smuzhiyun data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET;
1197*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask);
1198*4882a593Smuzhiyun /* Power and PLL Control */
1199*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
1200*4882a593Smuzhiyun data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
1201*4882a593Smuzhiyun mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
1202*4882a593Smuzhiyun data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
1203*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
1204*4882a593Smuzhiyun /* Loopback register */
1205*4882a593Smuzhiyun mask = HPIPE_LOOPBACK_SEL_MASK;
1206*4882a593Smuzhiyun data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET;
1207*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask);
1208*4882a593Smuzhiyun /* rx control 1 */
1209*4882a593Smuzhiyun mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
1210*4882a593Smuzhiyun data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
1211*4882a593Smuzhiyun mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
1212*4882a593Smuzhiyun data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
1213*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
1214*4882a593Smuzhiyun /* DTL Control */
1215*4882a593Smuzhiyun mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK;
1216*4882a593Smuzhiyun data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET;
1217*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask);
1218*4882a593Smuzhiyun
1219*4882a593Smuzhiyun /* Transmitter/Receiver Speed Divider Force */
1220*4882a593Smuzhiyun if (speed == PHY_SPEED_5_15625G) {
1221*4882a593Smuzhiyun mask = HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_MASK;
1222*4882a593Smuzhiyun data = 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_OFFSET;
1223*4882a593Smuzhiyun mask |= HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_MASK;
1224*4882a593Smuzhiyun data |= 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_OFFSET;
1225*4882a593Smuzhiyun mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_MASK;
1226*4882a593Smuzhiyun data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_OFFSET;
1227*4882a593Smuzhiyun mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_MASK;
1228*4882a593Smuzhiyun data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_OFFSET;
1229*4882a593Smuzhiyun } else {
1230*4882a593Smuzhiyun mask = HPIPE_TXDIGCK_DIV_FORCE_MASK;
1231*4882a593Smuzhiyun data = 0x1 << HPIPE_TXDIGCK_DIV_FORCE_OFFSET;
1232*4882a593Smuzhiyun }
1233*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SPD_DIV_FORCE_REG, data, mask);
1234*4882a593Smuzhiyun
1235*4882a593Smuzhiyun /* Set analog paramters from ETP(HW) */
1236*4882a593Smuzhiyun debug("stage: Analog paramters from ETP(HW)\n");
1237*4882a593Smuzhiyun /* SERDES External Configuration 2 */
1238*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK;
1239*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET;
1240*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask);
1241*4882a593Smuzhiyun /* 0x7-DFE Resolution control */
1242*4882a593Smuzhiyun mask = HPIPE_DFE_RES_FORCE_MASK;
1243*4882a593Smuzhiyun data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
1244*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
1245*4882a593Smuzhiyun /* 0xd-G1_Setting_0 */
1246*4882a593Smuzhiyun if (speed == PHY_SPEED_5_15625G) {
1247*4882a593Smuzhiyun mask = HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
1248*4882a593Smuzhiyun data = 0x6 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
1249*4882a593Smuzhiyun } else {
1250*4882a593Smuzhiyun mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK;
1251*4882a593Smuzhiyun data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET;
1252*4882a593Smuzhiyun mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK;
1253*4882a593Smuzhiyun data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET;
1254*4882a593Smuzhiyun }
1255*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask);
1256*4882a593Smuzhiyun /* Genration 1 setting 2 (G1_Setting_2) */
1257*4882a593Smuzhiyun mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK;
1258*4882a593Smuzhiyun data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET;
1259*4882a593Smuzhiyun mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK;
1260*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET;
1261*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask);
1262*4882a593Smuzhiyun /* Transmitter Slew Rate Control register (tx_reg1) */
1263*4882a593Smuzhiyun mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK;
1264*4882a593Smuzhiyun data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET;
1265*4882a593Smuzhiyun mask |= HPIPE_TX_REG1_SLC_EN_MASK;
1266*4882a593Smuzhiyun data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET;
1267*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask);
1268*4882a593Smuzhiyun /* Impedance Calibration Control register (cal_reg1) */
1269*4882a593Smuzhiyun mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK;
1270*4882a593Smuzhiyun data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
1271*4882a593Smuzhiyun mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK;
1272*4882a593Smuzhiyun data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET;
1273*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask);
1274*4882a593Smuzhiyun /* Generation 1 Setting 5 (g1_setting_5) */
1275*4882a593Smuzhiyun mask = HPIPE_G1_SETTING_5_G1_ICP_MASK;
1276*4882a593Smuzhiyun data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET;
1277*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask);
1278*4882a593Smuzhiyun /* 0xE-G1_Setting_1 */
1279*4882a593Smuzhiyun mask = HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
1280*4882a593Smuzhiyun data = 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
1281*4882a593Smuzhiyun if (speed == PHY_SPEED_5_15625G) {
1282*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
1283*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
1284*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
1285*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
1286*4882a593Smuzhiyun } else {
1287*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
1288*4882a593Smuzhiyun data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
1289*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
1290*4882a593Smuzhiyun data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
1291*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK;
1292*4882a593Smuzhiyun data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET;
1293*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK;
1294*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET;
1295*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK;
1296*4882a593Smuzhiyun data |= 0x3 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET;
1297*4882a593Smuzhiyun }
1298*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
1299*4882a593Smuzhiyun
1300*4882a593Smuzhiyun /* 0xA-DFE_Reg3 */
1301*4882a593Smuzhiyun mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
1302*4882a593Smuzhiyun data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
1303*4882a593Smuzhiyun mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
1304*4882a593Smuzhiyun data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
1305*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
1306*4882a593Smuzhiyun
1307*4882a593Smuzhiyun /* 0x111-G1_Setting_4 */
1308*4882a593Smuzhiyun mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
1309*4882a593Smuzhiyun data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
1310*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
1311*4882a593Smuzhiyun /* Genration 1 setting 3 (G1_Setting_3) */
1312*4882a593Smuzhiyun mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK;
1313*4882a593Smuzhiyun data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET;
1314*4882a593Smuzhiyun if (speed == PHY_SPEED_5_15625G) {
1315*4882a593Smuzhiyun /* Force FFE (Feed Forward Equalization) to 5G */
1316*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK;
1317*4882a593Smuzhiyun data |= 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET;
1318*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK;
1319*4882a593Smuzhiyun data |= 0x4 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET;
1320*4882a593Smuzhiyun mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK;
1321*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
1322*4882a593Smuzhiyun }
1323*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
1324*4882a593Smuzhiyun
1325*4882a593Smuzhiyun /* Connfigure RX training timer */
1326*4882a593Smuzhiyun mask = HPIPE_RX_TRAIN_TIMER_MASK;
1327*4882a593Smuzhiyun data = 0x13 << HPIPE_RX_TRAIN_TIMER_OFFSET;
1328*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask);
1329*4882a593Smuzhiyun
1330*4882a593Smuzhiyun /* Enable TX train peak to peak hold */
1331*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK;
1332*4882a593Smuzhiyun data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET;
1333*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask);
1334*4882a593Smuzhiyun
1335*4882a593Smuzhiyun /* Configure TX preset index */
1336*4882a593Smuzhiyun mask = HPIPE_TX_PRESET_INDEX_MASK;
1337*4882a593Smuzhiyun data = 0x2 << HPIPE_TX_PRESET_INDEX_OFFSET;
1338*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_PRESET_INDEX_REG, data, mask);
1339*4882a593Smuzhiyun
1340*4882a593Smuzhiyun /* Disable pattern lock lost timeout */
1341*4882a593Smuzhiyun mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK;
1342*4882a593Smuzhiyun data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET;
1343*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask);
1344*4882a593Smuzhiyun
1345*4882a593Smuzhiyun /* Configure TX training pattern and TX training 16bit auto */
1346*4882a593Smuzhiyun mask = HPIPE_TX_TRAIN_16BIT_AUTO_EN_MASK;
1347*4882a593Smuzhiyun data = 0x1 << HPIPE_TX_TRAIN_16BIT_AUTO_EN_OFFSET;
1348*4882a593Smuzhiyun mask |= HPIPE_TX_TRAIN_PAT_SEL_MASK;
1349*4882a593Smuzhiyun data |= 0x1 << HPIPE_TX_TRAIN_PAT_SEL_OFFSET;
1350*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask);
1351*4882a593Smuzhiyun
1352*4882a593Smuzhiyun /* Configure Training patten number */
1353*4882a593Smuzhiyun mask = HPIPE_TRAIN_PAT_NUM_MASK;
1354*4882a593Smuzhiyun data = 0x88 << HPIPE_TRAIN_PAT_NUM_OFFSET;
1355*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_0_REG, data, mask);
1356*4882a593Smuzhiyun
1357*4882a593Smuzhiyun /* Configure differencial manchester encoter to ethernet mode */
1358*4882a593Smuzhiyun mask = HPIPE_DME_ETHERNET_MODE_MASK;
1359*4882a593Smuzhiyun data = 0x1 << HPIPE_DME_ETHERNET_MODE_OFFSET;
1360*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DME_REG, data, mask);
1361*4882a593Smuzhiyun
1362*4882a593Smuzhiyun /* Configure VDD Continuous Calibration */
1363*4882a593Smuzhiyun mask = HPIPE_CAL_VDD_CONT_MODE_MASK;
1364*4882a593Smuzhiyun data = 0x1 << HPIPE_CAL_VDD_CONT_MODE_OFFSET;
1365*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_VDD_CAL_0_REG, data, mask);
1366*4882a593Smuzhiyun
1367*4882a593Smuzhiyun /* Trigger sampler enable pulse (by toggleing the bit) */
1368*4882a593Smuzhiyun mask = HPIPE_RX_SAMPLER_OS_GAIN_MASK;
1369*4882a593Smuzhiyun data = 0x3 << HPIPE_RX_SAMPLER_OS_GAIN_OFFSET;
1370*4882a593Smuzhiyun mask |= HPIPE_SMAPLER_MASK;
1371*4882a593Smuzhiyun data |= 0x1 << HPIPE_SMAPLER_OFFSET;
1372*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
1373*4882a593Smuzhiyun mask = HPIPE_SMAPLER_MASK;
1374*4882a593Smuzhiyun data = 0x0 << HPIPE_SMAPLER_OFFSET;
1375*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask);
1376*4882a593Smuzhiyun
1377*4882a593Smuzhiyun /* Set External RX Regulator Control */
1378*4882a593Smuzhiyun mask = HPIPE_EXT_SELLV_RXSAMPL_MASK;
1379*4882a593Smuzhiyun data = 0x1A << HPIPE_EXT_SELLV_RXSAMPL_OFFSET;
1380*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask);
1381*4882a593Smuzhiyun
1382*4882a593Smuzhiyun debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
1383*4882a593Smuzhiyun /* SERDES External Configuration */
1384*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1385*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1386*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1387*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1388*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1389*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1390*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1391*4882a593Smuzhiyun
1392*4882a593Smuzhiyun
1393*4882a593Smuzhiyun /* check PLL rx & tx ready */
1394*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1395*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
1396*4882a593Smuzhiyun SD_EXTERNAL_STATUS0_PLL_TX_MASK;
1397*4882a593Smuzhiyun mask = data;
1398*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 15000);
1399*4882a593Smuzhiyun if (data != 0) {
1400*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
1401*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
1402*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
1403*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
1404*4882a593Smuzhiyun ret = 0;
1405*4882a593Smuzhiyun }
1406*4882a593Smuzhiyun
1407*4882a593Smuzhiyun /* RX init */
1408*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1409*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1410*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1411*4882a593Smuzhiyun
1412*4882a593Smuzhiyun
1413*4882a593Smuzhiyun /* check that RX init done */
1414*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1415*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
1416*4882a593Smuzhiyun mask = data;
1417*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 100);
1418*4882a593Smuzhiyun if (data != 0) {
1419*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
1420*4882a593Smuzhiyun sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
1421*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
1422*4882a593Smuzhiyun ret = 0;
1423*4882a593Smuzhiyun }
1424*4882a593Smuzhiyun
1425*4882a593Smuzhiyun debug("stage: RF Reset\n");
1426*4882a593Smuzhiyun /* RF Reset */
1427*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1428*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1429*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1430*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1431*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1432*4882a593Smuzhiyun
1433*4882a593Smuzhiyun debug_exit();
1434*4882a593Smuzhiyun return ret;
1435*4882a593Smuzhiyun }
1436*4882a593Smuzhiyun
comphy_rxauii_power_up(u32 lane,void __iomem * hpipe_base,void __iomem * comphy_base)1437*4882a593Smuzhiyun static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base,
1438*4882a593Smuzhiyun void __iomem *comphy_base)
1439*4882a593Smuzhiyun {
1440*4882a593Smuzhiyun u32 mask, data, ret = 1;
1441*4882a593Smuzhiyun void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane);
1442*4882a593Smuzhiyun void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane);
1443*4882a593Smuzhiyun void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane);
1444*4882a593Smuzhiyun void __iomem *addr;
1445*4882a593Smuzhiyun
1446*4882a593Smuzhiyun debug_enter();
1447*4882a593Smuzhiyun debug("stage: RFU configurations - hard reset comphy\n");
1448*4882a593Smuzhiyun /* RFU configurations - hard reset comphy */
1449*4882a593Smuzhiyun mask = COMMON_PHY_CFG1_PWR_UP_MASK;
1450*4882a593Smuzhiyun data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET;
1451*4882a593Smuzhiyun mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK;
1452*4882a593Smuzhiyun data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET;
1453*4882a593Smuzhiyun reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
1454*4882a593Smuzhiyun
1455*4882a593Smuzhiyun if (lane == 2) {
1456*4882a593Smuzhiyun reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
1457*4882a593Smuzhiyun 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET,
1458*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_RXAUI0_MASK);
1459*4882a593Smuzhiyun }
1460*4882a593Smuzhiyun if (lane == 4) {
1461*4882a593Smuzhiyun reg_set(comphy_base + COMMON_PHY_SD_CTRL1,
1462*4882a593Smuzhiyun 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET,
1463*4882a593Smuzhiyun COMMON_PHY_SD_CTRL1_RXAUI1_MASK);
1464*4882a593Smuzhiyun }
1465*4882a593Smuzhiyun
1466*4882a593Smuzhiyun /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */
1467*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1468*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1469*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK;
1470*4882a593Smuzhiyun data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET;
1471*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK;
1472*4882a593Smuzhiyun data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET;
1473*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1474*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1475*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1476*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1477*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK;
1478*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET;
1479*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK;
1480*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET;
1481*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1482*4882a593Smuzhiyun
1483*4882a593Smuzhiyun /* release from hard reset */
1484*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1485*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1486*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1487*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1488*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1489*4882a593Smuzhiyun data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1490*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1491*4882a593Smuzhiyun
1492*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
1493*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
1494*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
1495*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
1496*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1497*4882a593Smuzhiyun
1498*4882a593Smuzhiyun /* Wait 1ms - until band gap and ref clock ready */
1499*4882a593Smuzhiyun mdelay(1);
1500*4882a593Smuzhiyun
1501*4882a593Smuzhiyun /* Start comphy Configuration */
1502*4882a593Smuzhiyun debug("stage: Comphy configuration\n");
1503*4882a593Smuzhiyun /* set reference clock */
1504*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_MISC_REG,
1505*4882a593Smuzhiyun 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET,
1506*4882a593Smuzhiyun HPIPE_MISC_REFCLK_SEL_MASK);
1507*4882a593Smuzhiyun /* Power and PLL Control */
1508*4882a593Smuzhiyun mask = HPIPE_PWR_PLL_REF_FREQ_MASK;
1509*4882a593Smuzhiyun data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET;
1510*4882a593Smuzhiyun mask |= HPIPE_PWR_PLL_PHY_MODE_MASK;
1511*4882a593Smuzhiyun data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET;
1512*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask);
1513*4882a593Smuzhiyun /* Loopback register */
1514*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_LOOPBACK_REG,
1515*4882a593Smuzhiyun 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK);
1516*4882a593Smuzhiyun /* rx control 1 */
1517*4882a593Smuzhiyun mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK;
1518*4882a593Smuzhiyun data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET;
1519*4882a593Smuzhiyun mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK;
1520*4882a593Smuzhiyun data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET;
1521*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask);
1522*4882a593Smuzhiyun /* DTL Control */
1523*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG,
1524*4882a593Smuzhiyun 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET,
1525*4882a593Smuzhiyun HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK);
1526*4882a593Smuzhiyun
1527*4882a593Smuzhiyun /* Set analog paramters from ETP(HW) */
1528*4882a593Smuzhiyun debug("stage: Analog paramters from ETP(HW)\n");
1529*4882a593Smuzhiyun /* SERDES External Configuration 2 */
1530*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG,
1531*4882a593Smuzhiyun 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET,
1532*4882a593Smuzhiyun SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK);
1533*4882a593Smuzhiyun /* 0x7-DFE Resolution control */
1534*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET,
1535*4882a593Smuzhiyun HPIPE_DFE_RES_FORCE_MASK);
1536*4882a593Smuzhiyun /* 0xd-G1_Setting_0 */
1537*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_0_REG,
1538*4882a593Smuzhiyun 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET,
1539*4882a593Smuzhiyun HPIPE_G1_SET_0_G1_TX_EMPH1_MASK);
1540*4882a593Smuzhiyun /* 0xE-G1_Setting_1 */
1541*4882a593Smuzhiyun mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK;
1542*4882a593Smuzhiyun data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET;
1543*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK;
1544*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET;
1545*4882a593Smuzhiyun mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK;
1546*4882a593Smuzhiyun data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET;
1547*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask);
1548*4882a593Smuzhiyun /* 0xA-DFE_Reg3 */
1549*4882a593Smuzhiyun mask = HPIPE_DFE_F3_F5_DFE_EN_MASK;
1550*4882a593Smuzhiyun data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET;
1551*4882a593Smuzhiyun mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK;
1552*4882a593Smuzhiyun data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET;
1553*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask);
1554*4882a593Smuzhiyun
1555*4882a593Smuzhiyun /* 0x111-G1_Setting_4 */
1556*4882a593Smuzhiyun mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK;
1557*4882a593Smuzhiyun data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
1558*4882a593Smuzhiyun reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
1559*4882a593Smuzhiyun
1560*4882a593Smuzhiyun debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n");
1561*4882a593Smuzhiyun /* SERDES External Configuration */
1562*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK;
1563*4882a593Smuzhiyun data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET;
1564*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK;
1565*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET;
1566*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK;
1567*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET;
1568*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask);
1569*4882a593Smuzhiyun
1570*4882a593Smuzhiyun
1571*4882a593Smuzhiyun /* check PLL rx & tx ready */
1572*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1573*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_PLL_RX_MASK |
1574*4882a593Smuzhiyun SD_EXTERNAL_STATUS0_PLL_TX_MASK;
1575*4882a593Smuzhiyun mask = data;
1576*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 15000);
1577*4882a593Smuzhiyun if (data != 0) {
1578*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
1579*4882a593Smuzhiyun sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
1580*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n",
1581*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK),
1582*4882a593Smuzhiyun (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK));
1583*4882a593Smuzhiyun ret = 0;
1584*4882a593Smuzhiyun }
1585*4882a593Smuzhiyun
1586*4882a593Smuzhiyun /* RX init */
1587*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG,
1588*4882a593Smuzhiyun 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET,
1589*4882a593Smuzhiyun SD_EXTERNAL_CONFIG1_RX_INIT_MASK);
1590*4882a593Smuzhiyun
1591*4882a593Smuzhiyun /* check that RX init done */
1592*4882a593Smuzhiyun addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG;
1593*4882a593Smuzhiyun data = SD_EXTERNAL_STATUS0_RX_INIT_MASK;
1594*4882a593Smuzhiyun mask = data;
1595*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 100);
1596*4882a593Smuzhiyun if (data != 0) {
1597*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n",
1598*4882a593Smuzhiyun sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data);
1599*4882a593Smuzhiyun pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n");
1600*4882a593Smuzhiyun ret = 0;
1601*4882a593Smuzhiyun }
1602*4882a593Smuzhiyun
1603*4882a593Smuzhiyun debug("stage: RF Reset\n");
1604*4882a593Smuzhiyun /* RF Reset */
1605*4882a593Smuzhiyun mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK;
1606*4882a593Smuzhiyun data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET;
1607*4882a593Smuzhiyun mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
1608*4882a593Smuzhiyun data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
1609*4882a593Smuzhiyun reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
1610*4882a593Smuzhiyun
1611*4882a593Smuzhiyun debug_exit();
1612*4882a593Smuzhiyun return ret;
1613*4882a593Smuzhiyun }
1614*4882a593Smuzhiyun
comphy_utmi_power_down(u32 utmi_index,void __iomem * utmi_base_addr,void __iomem * usb_cfg_addr,void __iomem * utmi_cfg_addr,u32 utmi_phy_port)1615*4882a593Smuzhiyun static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr,
1616*4882a593Smuzhiyun void __iomem *usb_cfg_addr,
1617*4882a593Smuzhiyun void __iomem *utmi_cfg_addr,
1618*4882a593Smuzhiyun u32 utmi_phy_port)
1619*4882a593Smuzhiyun {
1620*4882a593Smuzhiyun u32 mask, data;
1621*4882a593Smuzhiyun
1622*4882a593Smuzhiyun debug_enter();
1623*4882a593Smuzhiyun debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n",
1624*4882a593Smuzhiyun utmi_index);
1625*4882a593Smuzhiyun /* Power down UTMI PHY */
1626*4882a593Smuzhiyun reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET,
1627*4882a593Smuzhiyun UTMI_PHY_CFG_PU_MASK);
1628*4882a593Smuzhiyun
1629*4882a593Smuzhiyun /*
1630*4882a593Smuzhiyun * If UTMI connected to USB Device, configure mux prior to PHY init
1631*4882a593Smuzhiyun * (Device can be connected to UTMI0 or to UTMI1)
1632*4882a593Smuzhiyun */
1633*4882a593Smuzhiyun if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) {
1634*4882a593Smuzhiyun debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n",
1635*4882a593Smuzhiyun utmi_index);
1636*4882a593Smuzhiyun /* USB3 Device UTMI enable */
1637*4882a593Smuzhiyun mask = UTMI_USB_CFG_DEVICE_EN_MASK;
1638*4882a593Smuzhiyun data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET;
1639*4882a593Smuzhiyun /* USB3 Device UTMI MUX */
1640*4882a593Smuzhiyun mask |= UTMI_USB_CFG_DEVICE_MUX_MASK;
1641*4882a593Smuzhiyun data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET;
1642*4882a593Smuzhiyun reg_set(usb_cfg_addr, data, mask);
1643*4882a593Smuzhiyun }
1644*4882a593Smuzhiyun
1645*4882a593Smuzhiyun /* Set Test suspendm mode */
1646*4882a593Smuzhiyun mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK;
1647*4882a593Smuzhiyun data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET;
1648*4882a593Smuzhiyun /* Enable Test UTMI select */
1649*4882a593Smuzhiyun mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK;
1650*4882a593Smuzhiyun data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET;
1651*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask);
1652*4882a593Smuzhiyun
1653*4882a593Smuzhiyun /* Wait for UTMI power down */
1654*4882a593Smuzhiyun mdelay(1);
1655*4882a593Smuzhiyun
1656*4882a593Smuzhiyun debug_exit();
1657*4882a593Smuzhiyun return;
1658*4882a593Smuzhiyun }
1659*4882a593Smuzhiyun
comphy_utmi_phy_config(u32 utmi_index,void __iomem * utmi_base_addr,void __iomem * usb_cfg_addr,void __iomem * utmi_cfg_addr,u32 utmi_phy_port)1660*4882a593Smuzhiyun static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr,
1661*4882a593Smuzhiyun void __iomem *usb_cfg_addr,
1662*4882a593Smuzhiyun void __iomem *utmi_cfg_addr,
1663*4882a593Smuzhiyun u32 utmi_phy_port)
1664*4882a593Smuzhiyun {
1665*4882a593Smuzhiyun u32 mask, data;
1666*4882a593Smuzhiyun
1667*4882a593Smuzhiyun debug_exit();
1668*4882a593Smuzhiyun debug("stage: Configure UTMI PHY %d registers\n", utmi_index);
1669*4882a593Smuzhiyun /* Reference Clock Divider Select */
1670*4882a593Smuzhiyun mask = UTMI_PLL_CTRL_REFDIV_MASK;
1671*4882a593Smuzhiyun data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET;
1672*4882a593Smuzhiyun /* Feedback Clock Divider Select - 90 for 25Mhz*/
1673*4882a593Smuzhiyun mask |= UTMI_PLL_CTRL_FBDIV_MASK;
1674*4882a593Smuzhiyun data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET;
1675*4882a593Smuzhiyun /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/
1676*4882a593Smuzhiyun mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK;
1677*4882a593Smuzhiyun data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET;
1678*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask);
1679*4882a593Smuzhiyun
1680*4882a593Smuzhiyun /* Impedance Calibration Threshold Setting */
1681*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG,
1682*4882a593Smuzhiyun 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET,
1683*4882a593Smuzhiyun UTMI_CALIB_CTRL_IMPCAL_VTH_MASK);
1684*4882a593Smuzhiyun
1685*4882a593Smuzhiyun /* Set LS TX driver strength coarse control */
1686*4882a593Smuzhiyun mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK;
1687*4882a593Smuzhiyun data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET;
1688*4882a593Smuzhiyun /* Set LS TX driver fine adjustment */
1689*4882a593Smuzhiyun mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK;
1690*4882a593Smuzhiyun data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET;
1691*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask);
1692*4882a593Smuzhiyun
1693*4882a593Smuzhiyun /* Enable SQ */
1694*4882a593Smuzhiyun mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK;
1695*4882a593Smuzhiyun data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET;
1696*4882a593Smuzhiyun /* Enable analog squelch detect */
1697*4882a593Smuzhiyun mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK;
1698*4882a593Smuzhiyun data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET;
1699*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask);
1700*4882a593Smuzhiyun
1701*4882a593Smuzhiyun /* Set External squelch calibration number */
1702*4882a593Smuzhiyun mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK;
1703*4882a593Smuzhiyun data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET;
1704*4882a593Smuzhiyun /* Enable the External squelch calibration */
1705*4882a593Smuzhiyun mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK;
1706*4882a593Smuzhiyun data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET;
1707*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask);
1708*4882a593Smuzhiyun
1709*4882a593Smuzhiyun /* Set Control VDAT Reference Voltage - 0.325V */
1710*4882a593Smuzhiyun mask = UTMI_CHGDTC_CTRL_VDAT_MASK;
1711*4882a593Smuzhiyun data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET;
1712*4882a593Smuzhiyun /* Set Control VSRC Reference Voltage - 0.6V */
1713*4882a593Smuzhiyun mask |= UTMI_CHGDTC_CTRL_VSRC_MASK;
1714*4882a593Smuzhiyun data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET;
1715*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask);
1716*4882a593Smuzhiyun
1717*4882a593Smuzhiyun debug_exit();
1718*4882a593Smuzhiyun return;
1719*4882a593Smuzhiyun }
1720*4882a593Smuzhiyun
comphy_utmi_power_up(u32 utmi_index,void __iomem * utmi_base_addr,void __iomem * usb_cfg_addr,void __iomem * utmi_cfg_addr,u32 utmi_phy_port)1721*4882a593Smuzhiyun static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr,
1722*4882a593Smuzhiyun void __iomem *usb_cfg_addr,
1723*4882a593Smuzhiyun void __iomem *utmi_cfg_addr, u32 utmi_phy_port)
1724*4882a593Smuzhiyun {
1725*4882a593Smuzhiyun u32 data, mask, ret = 1;
1726*4882a593Smuzhiyun void __iomem *addr;
1727*4882a593Smuzhiyun
1728*4882a593Smuzhiyun debug_enter();
1729*4882a593Smuzhiyun debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n",
1730*4882a593Smuzhiyun utmi_index);
1731*4882a593Smuzhiyun /* Power UP UTMI PHY */
1732*4882a593Smuzhiyun reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET,
1733*4882a593Smuzhiyun UTMI_PHY_CFG_PU_MASK);
1734*4882a593Smuzhiyun /* Disable Test UTMI select */
1735*4882a593Smuzhiyun reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG,
1736*4882a593Smuzhiyun 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET,
1737*4882a593Smuzhiyun UTMI_CTRL_STATUS0_TEST_SEL_MASK);
1738*4882a593Smuzhiyun
1739*4882a593Smuzhiyun debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n");
1740*4882a593Smuzhiyun addr = utmi_base_addr + UTMI_CALIB_CTRL_REG;
1741*4882a593Smuzhiyun data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK;
1742*4882a593Smuzhiyun mask = data;
1743*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 100);
1744*4882a593Smuzhiyun if (data != 0) {
1745*4882a593Smuzhiyun pr_err("Impedance calibration is not done\n");
1746*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n", addr, data);
1747*4882a593Smuzhiyun ret = 0;
1748*4882a593Smuzhiyun }
1749*4882a593Smuzhiyun
1750*4882a593Smuzhiyun data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK;
1751*4882a593Smuzhiyun mask = data;
1752*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 100);
1753*4882a593Smuzhiyun if (data != 0) {
1754*4882a593Smuzhiyun pr_err("PLL calibration is not done\n");
1755*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n", addr, data);
1756*4882a593Smuzhiyun ret = 0;
1757*4882a593Smuzhiyun }
1758*4882a593Smuzhiyun
1759*4882a593Smuzhiyun addr = utmi_base_addr + UTMI_PLL_CTRL_REG;
1760*4882a593Smuzhiyun data = UTMI_PLL_CTRL_PLL_RDY_MASK;
1761*4882a593Smuzhiyun mask = data;
1762*4882a593Smuzhiyun data = polling_with_timeout(addr, data, mask, 100);
1763*4882a593Smuzhiyun if (data != 0) {
1764*4882a593Smuzhiyun pr_err("PLL is not ready\n");
1765*4882a593Smuzhiyun debug("Read from reg = %p - value = 0x%x\n", addr, data);
1766*4882a593Smuzhiyun ret = 0;
1767*4882a593Smuzhiyun }
1768*4882a593Smuzhiyun
1769*4882a593Smuzhiyun if (ret)
1770*4882a593Smuzhiyun debug("Passed\n");
1771*4882a593Smuzhiyun else
1772*4882a593Smuzhiyun debug("\n");
1773*4882a593Smuzhiyun
1774*4882a593Smuzhiyun debug_exit();
1775*4882a593Smuzhiyun return ret;
1776*4882a593Smuzhiyun }
1777*4882a593Smuzhiyun
1778*4882a593Smuzhiyun /*
1779*4882a593Smuzhiyun * comphy_utmi_phy_init initialize the UTMI PHY
1780*4882a593Smuzhiyun * the init split in 3 parts:
1781*4882a593Smuzhiyun * 1. Power down transceiver and PLL
1782*4882a593Smuzhiyun * 2. UTMI PHY configure
1783*4882a593Smuzhiyun * 3. Powe up transceiver and PLL
1784*4882a593Smuzhiyun * Note: - Power down/up should be once for both UTMI PHYs
1785*4882a593Smuzhiyun * - comphy_dedicated_phys_init call this function if at least there is
1786*4882a593Smuzhiyun * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is
1787*4882a593Smuzhiyun * legal
1788*4882a593Smuzhiyun */
comphy_utmi_phy_init(u32 utmi_phy_count,struct utmi_phy_data * cp110_utmi_data)1789*4882a593Smuzhiyun static void comphy_utmi_phy_init(u32 utmi_phy_count,
1790*4882a593Smuzhiyun struct utmi_phy_data *cp110_utmi_data)
1791*4882a593Smuzhiyun {
1792*4882a593Smuzhiyun u32 i;
1793*4882a593Smuzhiyun
1794*4882a593Smuzhiyun debug_enter();
1795*4882a593Smuzhiyun /* UTMI Power down */
1796*4882a593Smuzhiyun for (i = 0; i < utmi_phy_count; i++) {
1797*4882a593Smuzhiyun comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr,
1798*4882a593Smuzhiyun cp110_utmi_data[i].usb_cfg_addr,
1799*4882a593Smuzhiyun cp110_utmi_data[i].utmi_cfg_addr,
1800*4882a593Smuzhiyun cp110_utmi_data[i].utmi_phy_port);
1801*4882a593Smuzhiyun }
1802*4882a593Smuzhiyun /* PLL Power down */
1803*4882a593Smuzhiyun debug("stage: UTMI PHY power down PLL\n");
1804*4882a593Smuzhiyun for (i = 0; i < utmi_phy_count; i++) {
1805*4882a593Smuzhiyun reg_set(cp110_utmi_data[i].usb_cfg_addr,
1806*4882a593Smuzhiyun 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
1807*4882a593Smuzhiyun }
1808*4882a593Smuzhiyun /* UTMI configure */
1809*4882a593Smuzhiyun for (i = 0; i < utmi_phy_count; i++) {
1810*4882a593Smuzhiyun comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr,
1811*4882a593Smuzhiyun cp110_utmi_data[i].usb_cfg_addr,
1812*4882a593Smuzhiyun cp110_utmi_data[i].utmi_cfg_addr,
1813*4882a593Smuzhiyun cp110_utmi_data[i].utmi_phy_port);
1814*4882a593Smuzhiyun }
1815*4882a593Smuzhiyun /* UTMI Power up */
1816*4882a593Smuzhiyun for (i = 0; i < utmi_phy_count; i++) {
1817*4882a593Smuzhiyun if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr,
1818*4882a593Smuzhiyun cp110_utmi_data[i].usb_cfg_addr,
1819*4882a593Smuzhiyun cp110_utmi_data[i].utmi_cfg_addr,
1820*4882a593Smuzhiyun cp110_utmi_data[i].utmi_phy_port)) {
1821*4882a593Smuzhiyun pr_err("Failed to initialize UTMI PHY %d\n", i);
1822*4882a593Smuzhiyun continue;
1823*4882a593Smuzhiyun }
1824*4882a593Smuzhiyun printf("UTMI PHY %d initialized to ", i);
1825*4882a593Smuzhiyun if (cp110_utmi_data[i].utmi_phy_port ==
1826*4882a593Smuzhiyun UTMI_PHY_TO_USB3_DEVICE0)
1827*4882a593Smuzhiyun printf("USB Device\n");
1828*4882a593Smuzhiyun else
1829*4882a593Smuzhiyun printf("USB Host%d\n",
1830*4882a593Smuzhiyun cp110_utmi_data[i].utmi_phy_port);
1831*4882a593Smuzhiyun }
1832*4882a593Smuzhiyun /* PLL Power up */
1833*4882a593Smuzhiyun debug("stage: UTMI PHY power up PLL\n");
1834*4882a593Smuzhiyun for (i = 0; i < utmi_phy_count; i++) {
1835*4882a593Smuzhiyun reg_set(cp110_utmi_data[i].usb_cfg_addr,
1836*4882a593Smuzhiyun 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK);
1837*4882a593Smuzhiyun }
1838*4882a593Smuzhiyun
1839*4882a593Smuzhiyun debug_exit();
1840*4882a593Smuzhiyun return;
1841*4882a593Smuzhiyun }
1842*4882a593Smuzhiyun
1843*4882a593Smuzhiyun /*
1844*4882a593Smuzhiyun * comphy_dedicated_phys_init initialize the dedicated PHYs
1845*4882a593Smuzhiyun * - not muxed SerDes lanes e.g. UTMI PHY
1846*4882a593Smuzhiyun */
comphy_dedicated_phys_init(void)1847*4882a593Smuzhiyun void comphy_dedicated_phys_init(void)
1848*4882a593Smuzhiyun {
1849*4882a593Smuzhiyun struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT];
1850*4882a593Smuzhiyun int node;
1851*4882a593Smuzhiyun int i;
1852*4882a593Smuzhiyun
1853*4882a593Smuzhiyun debug_enter();
1854*4882a593Smuzhiyun debug("Initialize USB UTMI PHYs\n");
1855*4882a593Smuzhiyun
1856*4882a593Smuzhiyun /* Find the UTMI phy node in device tree and go over them */
1857*4882a593Smuzhiyun node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
1858*4882a593Smuzhiyun "marvell,mvebu-utmi-2.6.0");
1859*4882a593Smuzhiyun
1860*4882a593Smuzhiyun i = 0;
1861*4882a593Smuzhiyun while (node > 0) {
1862*4882a593Smuzhiyun /* get base address of UTMI phy */
1863*4882a593Smuzhiyun cp110_utmi_data[i].utmi_base_addr =
1864*4882a593Smuzhiyun (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1865*4882a593Smuzhiyun gd->fdt_blob, node, "reg", 0, NULL, true);
1866*4882a593Smuzhiyun if (cp110_utmi_data[i].utmi_base_addr == NULL) {
1867*4882a593Smuzhiyun pr_err("UTMI PHY base address is invalid\n");
1868*4882a593Smuzhiyun i++;
1869*4882a593Smuzhiyun continue;
1870*4882a593Smuzhiyun }
1871*4882a593Smuzhiyun
1872*4882a593Smuzhiyun /* get usb config address */
1873*4882a593Smuzhiyun cp110_utmi_data[i].usb_cfg_addr =
1874*4882a593Smuzhiyun (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1875*4882a593Smuzhiyun gd->fdt_blob, node, "reg", 1, NULL, true);
1876*4882a593Smuzhiyun if (cp110_utmi_data[i].usb_cfg_addr == NULL) {
1877*4882a593Smuzhiyun pr_err("UTMI PHY base address is invalid\n");
1878*4882a593Smuzhiyun i++;
1879*4882a593Smuzhiyun continue;
1880*4882a593Smuzhiyun }
1881*4882a593Smuzhiyun
1882*4882a593Smuzhiyun /* get UTMI config address */
1883*4882a593Smuzhiyun cp110_utmi_data[i].utmi_cfg_addr =
1884*4882a593Smuzhiyun (void __iomem *)fdtdec_get_addr_size_auto_noparent(
1885*4882a593Smuzhiyun gd->fdt_blob, node, "reg", 2, NULL, true);
1886*4882a593Smuzhiyun if (cp110_utmi_data[i].utmi_cfg_addr == NULL) {
1887*4882a593Smuzhiyun pr_err("UTMI PHY base address is invalid\n");
1888*4882a593Smuzhiyun i++;
1889*4882a593Smuzhiyun continue;
1890*4882a593Smuzhiyun }
1891*4882a593Smuzhiyun
1892*4882a593Smuzhiyun /*
1893*4882a593Smuzhiyun * get the port number (to check if the utmi connected to
1894*4882a593Smuzhiyun * host/device)
1895*4882a593Smuzhiyun */
1896*4882a593Smuzhiyun cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int(
1897*4882a593Smuzhiyun gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID);
1898*4882a593Smuzhiyun if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) {
1899*4882a593Smuzhiyun pr_err("UTMI PHY port type is invalid\n");
1900*4882a593Smuzhiyun i++;
1901*4882a593Smuzhiyun continue;
1902*4882a593Smuzhiyun }
1903*4882a593Smuzhiyun
1904*4882a593Smuzhiyun node = fdt_node_offset_by_compatible(
1905*4882a593Smuzhiyun gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0");
1906*4882a593Smuzhiyun i++;
1907*4882a593Smuzhiyun }
1908*4882a593Smuzhiyun
1909*4882a593Smuzhiyun if (i > 0)
1910*4882a593Smuzhiyun comphy_utmi_phy_init(i, cp110_utmi_data);
1911*4882a593Smuzhiyun
1912*4882a593Smuzhiyun debug_exit();
1913*4882a593Smuzhiyun }
1914*4882a593Smuzhiyun
comphy_mux_cp110_init(struct chip_serdes_phy_config * ptr_chip_cfg,struct comphy_map * serdes_map)1915*4882a593Smuzhiyun static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
1916*4882a593Smuzhiyun struct comphy_map *serdes_map)
1917*4882a593Smuzhiyun {
1918*4882a593Smuzhiyun void __iomem *comphy_base_addr;
1919*4882a593Smuzhiyun struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS];
1920*4882a593Smuzhiyun struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS];
1921*4882a593Smuzhiyun u32 lane, comphy_max_count;
1922*4882a593Smuzhiyun
1923*4882a593Smuzhiyun comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
1924*4882a593Smuzhiyun comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
1925*4882a593Smuzhiyun
1926*4882a593Smuzhiyun /*
1927*4882a593Smuzhiyun * Copy the SerDes map configuration for PIPE map and PHY map
1928*4882a593Smuzhiyun * the comphy_mux_init modify the type of the lane if the type
1929*4882a593Smuzhiyun * is not valid because we have 2 selectores run the
1930*4882a593Smuzhiyun * comphy_mux_init twice and after that update the original
1931*4882a593Smuzhiyun * serdes_map
1932*4882a593Smuzhiyun */
1933*4882a593Smuzhiyun for (lane = 0; lane < comphy_max_count; lane++) {
1934*4882a593Smuzhiyun comphy_map_pipe_data[lane].type = serdes_map[lane].type;
1935*4882a593Smuzhiyun comphy_map_pipe_data[lane].speed = serdes_map[lane].speed;
1936*4882a593Smuzhiyun comphy_map_phy_data[lane].type = serdes_map[lane].type;
1937*4882a593Smuzhiyun comphy_map_phy_data[lane].speed = serdes_map[lane].speed;
1938*4882a593Smuzhiyun }
1939*4882a593Smuzhiyun ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data;
1940*4882a593Smuzhiyun comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data,
1941*4882a593Smuzhiyun comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET);
1942*4882a593Smuzhiyun
1943*4882a593Smuzhiyun ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data;
1944*4882a593Smuzhiyun comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data,
1945*4882a593Smuzhiyun comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET);
1946*4882a593Smuzhiyun /* Fix the type after check the PHY and PIPE configuration */
1947*4882a593Smuzhiyun for (lane = 0; lane < comphy_max_count; lane++) {
1948*4882a593Smuzhiyun if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) &&
1949*4882a593Smuzhiyun (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED))
1950*4882a593Smuzhiyun serdes_map[lane].type = PHY_TYPE_UNCONNECTED;
1951*4882a593Smuzhiyun }
1952*4882a593Smuzhiyun }
1953*4882a593Smuzhiyun
comphy_cp110_init(struct chip_serdes_phy_config * ptr_chip_cfg,struct comphy_map * serdes_map)1954*4882a593Smuzhiyun int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg,
1955*4882a593Smuzhiyun struct comphy_map *serdes_map)
1956*4882a593Smuzhiyun {
1957*4882a593Smuzhiyun struct comphy_map *ptr_comphy_map;
1958*4882a593Smuzhiyun void __iomem *comphy_base_addr, *hpipe_base_addr;
1959*4882a593Smuzhiyun u32 comphy_max_count, lane, ret = 0;
1960*4882a593Smuzhiyun u32 pcie_width = 0;
1961*4882a593Smuzhiyun
1962*4882a593Smuzhiyun debug_enter();
1963*4882a593Smuzhiyun
1964*4882a593Smuzhiyun comphy_max_count = ptr_chip_cfg->comphy_lanes_count;
1965*4882a593Smuzhiyun comphy_base_addr = ptr_chip_cfg->comphy_base_addr;
1966*4882a593Smuzhiyun hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr;
1967*4882a593Smuzhiyun
1968*4882a593Smuzhiyun /* Config Comphy mux configuration */
1969*4882a593Smuzhiyun comphy_mux_cp110_init(ptr_chip_cfg, serdes_map);
1970*4882a593Smuzhiyun
1971*4882a593Smuzhiyun /* Check if the first 4 lanes configured as By-4 */
1972*4882a593Smuzhiyun for (lane = 0, ptr_comphy_map = serdes_map; lane < 4;
1973*4882a593Smuzhiyun lane++, ptr_comphy_map++) {
1974*4882a593Smuzhiyun if (ptr_comphy_map->type != PHY_TYPE_PEX0)
1975*4882a593Smuzhiyun break;
1976*4882a593Smuzhiyun pcie_width++;
1977*4882a593Smuzhiyun }
1978*4882a593Smuzhiyun
1979*4882a593Smuzhiyun for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count;
1980*4882a593Smuzhiyun lane++, ptr_comphy_map++) {
1981*4882a593Smuzhiyun debug("Initialize serdes number %d\n", lane);
1982*4882a593Smuzhiyun debug("Serdes type = 0x%x\n", ptr_comphy_map->type);
1983*4882a593Smuzhiyun if (lane == 4) {
1984*4882a593Smuzhiyun /*
1985*4882a593Smuzhiyun * PCIe lanes above the first 4 lanes, can be only
1986*4882a593Smuzhiyun * by1
1987*4882a593Smuzhiyun */
1988*4882a593Smuzhiyun pcie_width = 1;
1989*4882a593Smuzhiyun }
1990*4882a593Smuzhiyun switch (ptr_comphy_map->type) {
1991*4882a593Smuzhiyun case PHY_TYPE_UNCONNECTED:
1992*4882a593Smuzhiyun case PHY_TYPE_IGNORE:
1993*4882a593Smuzhiyun continue;
1994*4882a593Smuzhiyun break;
1995*4882a593Smuzhiyun case PHY_TYPE_PEX0:
1996*4882a593Smuzhiyun case PHY_TYPE_PEX1:
1997*4882a593Smuzhiyun case PHY_TYPE_PEX2:
1998*4882a593Smuzhiyun case PHY_TYPE_PEX3:
1999*4882a593Smuzhiyun ret = comphy_pcie_power_up(
2000*4882a593Smuzhiyun lane, pcie_width, ptr_comphy_map->clk_src,
2001*4882a593Smuzhiyun serdes_map->end_point,
2002*4882a593Smuzhiyun hpipe_base_addr, comphy_base_addr);
2003*4882a593Smuzhiyun break;
2004*4882a593Smuzhiyun case PHY_TYPE_SATA0:
2005*4882a593Smuzhiyun case PHY_TYPE_SATA1:
2006*4882a593Smuzhiyun case PHY_TYPE_SATA2:
2007*4882a593Smuzhiyun case PHY_TYPE_SATA3:
2008*4882a593Smuzhiyun ret = comphy_sata_power_up(
2009*4882a593Smuzhiyun lane, hpipe_base_addr, comphy_base_addr,
2010*4882a593Smuzhiyun ptr_chip_cfg->cp_index);
2011*4882a593Smuzhiyun break;
2012*4882a593Smuzhiyun case PHY_TYPE_USB3_HOST0:
2013*4882a593Smuzhiyun case PHY_TYPE_USB3_HOST1:
2014*4882a593Smuzhiyun case PHY_TYPE_USB3_DEVICE:
2015*4882a593Smuzhiyun ret = comphy_usb3_power_up(lane, hpipe_base_addr,
2016*4882a593Smuzhiyun comphy_base_addr);
2017*4882a593Smuzhiyun break;
2018*4882a593Smuzhiyun case PHY_TYPE_SGMII0:
2019*4882a593Smuzhiyun case PHY_TYPE_SGMII1:
2020*4882a593Smuzhiyun case PHY_TYPE_SGMII2:
2021*4882a593Smuzhiyun case PHY_TYPE_SGMII3:
2022*4882a593Smuzhiyun if (ptr_comphy_map->speed == PHY_SPEED_INVALID) {
2023*4882a593Smuzhiyun debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n",
2024*4882a593Smuzhiyun lane);
2025*4882a593Smuzhiyun ptr_comphy_map->speed = PHY_SPEED_1_25G;
2026*4882a593Smuzhiyun }
2027*4882a593Smuzhiyun ret = comphy_sgmii_power_up(
2028*4882a593Smuzhiyun lane, ptr_comphy_map->speed, hpipe_base_addr,
2029*4882a593Smuzhiyun comphy_base_addr);
2030*4882a593Smuzhiyun break;
2031*4882a593Smuzhiyun case PHY_TYPE_SFI:
2032*4882a593Smuzhiyun ret = comphy_sfi_power_up(lane, hpipe_base_addr,
2033*4882a593Smuzhiyun comphy_base_addr,
2034*4882a593Smuzhiyun ptr_comphy_map->speed);
2035*4882a593Smuzhiyun break;
2036*4882a593Smuzhiyun case PHY_TYPE_RXAUI0:
2037*4882a593Smuzhiyun case PHY_TYPE_RXAUI1:
2038*4882a593Smuzhiyun ret = comphy_rxauii_power_up(lane, hpipe_base_addr,
2039*4882a593Smuzhiyun comphy_base_addr);
2040*4882a593Smuzhiyun break;
2041*4882a593Smuzhiyun default:
2042*4882a593Smuzhiyun debug("Unknown SerDes type, skip initialize SerDes %d\n",
2043*4882a593Smuzhiyun lane);
2044*4882a593Smuzhiyun break;
2045*4882a593Smuzhiyun }
2046*4882a593Smuzhiyun if (ret == 0) {
2047*4882a593Smuzhiyun /*
2048*4882a593Smuzhiyun * If interface wans't initialized, set the lane to
2049*4882a593Smuzhiyun * PHY_TYPE_UNCONNECTED state.
2050*4882a593Smuzhiyun */
2051*4882a593Smuzhiyun ptr_comphy_map->type = PHY_TYPE_UNCONNECTED;
2052*4882a593Smuzhiyun pr_err("PLL is not locked - Failed to initialize lane %d\n",
2053*4882a593Smuzhiyun lane);
2054*4882a593Smuzhiyun }
2055*4882a593Smuzhiyun }
2056*4882a593Smuzhiyun
2057*4882a593Smuzhiyun debug_exit();
2058*4882a593Smuzhiyun return 0;
2059*4882a593Smuzhiyun }
2060